Significant environmental problems caused by the agricultural practice of tilling include soil compaction from compost addition, intercropping by conventional farmers, eutrophication from excessive fertilizer usage, and ozone depletion from fossil fuel consumption. This statement is true.
Tillage causes soil compaction, which is a serious environmental problem. Tilling is the process of turning the soil over before planting a crop. Soil erosion is the main environmental problem caused by tilling.
Tilling systems have an effect on soil's physical, chemical, and hydraulic qualities as well as crop yield. Tilling alters the top soil layer, alters how soil porosity is preserved, and decreases soil organic matter.
When soil particles are packed tightly together or lumped together, compaction occurs. This results in the soil having fewer pores, which reduces water penetration and soil aeration. Soil compaction is a significant environmental issue brought on by tillage.
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2. Briefly explain the possibilism & determinism School Of thought in Geography in human environment relationships
Answer:
Possibilism is a school of thought in geography that holds that human beings have the ability to adapt and transform the environment to meet their needs and desires. According to this perspective, the human being is capable of taking advantage of the opportunities and resources of the environment and of creating solutions to the problems that he faces, regardless of the initial conditions or the limitations imposed by the environment.
On the other hand, determinism is a school of thought in geography that maintains that the environment is the main factor that determines the way in which the human being develops and acts. According to this perspective, the environment exerts a great influence on the human being and human societies, and the options and possibilities of human beings are limited by the conditions and resources available in the environment.
three words to remember for abs braking are.... group of answer choices stomp, stay and steer stop, drop and roll stop, look and listen duck, cover and hide
Three words to remember for ABS braking are stomp, stay and steer.
What is ABS braking?ABS braking or anti-lock braking system is a braking system that implemented in a car to avoid lock up wheels when hard braking or sudden braking occurs.
The modern ABS braking system use a computer to receive information from sensors and then to control the anti-lock brakes.
The often words that people use for ABS braking is stomp, stay and steer which it mean for stomp on the brake, stay on the brake, and steer normally.
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Russia’s primary economic activities
Answer:
Russia's primary economic activities include agriculture, manufacturing, and the extraction of natural resources such as oil and natural gas. Russia is one of the world's leading producers of oil and natural gas, and the energy sector plays a significant role in the country's economy. Other major industries in Russia include the automotive, aerospace, and defense industries. Russia is also a major producer of agricultural products such as wheat, potatoes, and dairy products.
In astronomy what does the word satellite refer to?
A moon, planet, or machine that circles a planet or star is referred to as a satellite. Earth, for example, is a satellite since it circles the sun. Similarly, because it circles Earth, the moon is a satellite. The term "satellite" usually refers to a mechanism that is sent into space and orbits Earth or another body in space.
What exactly is a satellite, and what does it do?A satellite is any object that circles another object, such as the Earth orbiting the sun. Hundreds of satellites are in service. They serve a variety of functions, including weather forecasting, television signal transmission, amateur radio and internet communications, and the Global Positioning System. They are also utilized for study and data collection by looking outward into the solar system. A rocket is often used to propel satellites into orbit. They are positioned at various heights and travel at various speeds around the Earth. Once in orbit, the Earth's gravitational pull prevents the satellite from straying too far into space.
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* Chalk deposits left by the Western Interior Seaway during this period formed the Smoky Hills Chalk in America, and the Dover Cliffs chalk in Europe was also formed at the same time
* eruption of the Deccan traps may have contributed to the end of this geologic period, during which rudists were the most important reef-builders in the Tethys Ocean
* White Cliffs of Dover formed during this period, whose characteristic chalk deposits give it its name, and the Chicxulub
* Coccoliths formed the chalk beds that name this period of time.
* Alvarez hypothesis
uses shocked quartz and iridium concentration to explain how this period of time ended.
spread of () flowering plants which first appeared in this period, whose geologic
strata ends at the K-T boundary
* Placental species coexisted with dinosaurs during, for 10 points,
what last period of the Mesozoic era whose dinosaur species included T-rex?
* Pierre Shale are two formations dating from this period, during which the Tethys Ocean became a shallow sea
* Laramide orogeny [aw-RAH-jeh-nee] began lifting the Rocky Mountains in this period that also saw the evolution of the first mammals and flowering plants
* This period closed with the eruption of the Deccan Traps in India, which may be related to an impact that resulted in a thin layer of iridium forming between this period and the one that follows it. The Alvarezes posited that the KT boundary marks the stratigraphic border between this period and the Tertiary.
* name this period in which the T. Rex lived, the last period of the Mesozoic era that probably ended with a big meteor impact at Chixtulub.
* Germany's Maastricht Formation contains fossils from this geologic period, which saw the split of Africa and South America
* geologically significant both for the large amounts of chalk formed during this period and for a layer of iridium known as the K-T boundary, which is believed to have been deposited by an asteroid
* final period of the Mesozoic Era, whose end saw the mass extinction of the dinosaurs.
* Berriasian Age to the Maastrichtian Age
* first ap- pearance of ants, butterflies, and flowering plants. Though life generally increased throughout its eighty million years, its end was marked by many extinctions, especially for large land animals.
* age that followed the Jurassic Age, the last part of the Mesozoic Era
CRETACEOUS PERIOD is the era that followed the Jurassic Age and was the final section of the Mesozoic Era. A warm, rainy environment supported lush flora and plentiful life throughout the Jurassic period.
For dinosaurs, the Jurassic Age was a golden age that lasted 180 million years. Sauropod herbivores (like the 87-foot [27-meter] long Diplodocus) and carnivores (like the 35-foot [11-meter] long Allosaurus) arose. Imagine sprinting as quickly as you can to get an idea of how big these beasts were. The Jurassic Period was the second of three Mesozoic Era eras. It lasted from 201.3 million to 145 million years ago and followed the Triassic Period (251.9 million to 201.3 million years ago) before being supplanted by the Cretaceous Period (145 million to 66 million years ago).
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The Amazon river holds 10
times more water than the
Mississippi river, and empties
into the Atlantic Ocean. What
feeds this massive river?
• hundreds of different river systems
• a giant, underground reservoir
• snows from the Andes mountains that melt each spring
What feeds this massive river is hundreds of different river systems
What is the Amazon river?It is quite a large body of water, it runs from west to east in the northern region of South America.
Before emptying into the Atlantic Ocean, the river system travels through Ecuador, Colombia, Venezuela, Bolivia, and Brazil from its source in the Andes Mountains of Peru.
The Amazon River is the world's second-longest river and the largest in terms of watershed size, number of tributaries, and volume of water discharged into the sea. There is no bridge that spans the entire length of the river.
The staggering variety of mammals, birds, amphibians, and reptiles that can be found throughout the biome is equally impressive.
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Which of the following best explains the significant difference in North Africa's demographic data from the rest of the African continent and North Africa's closer similarity to global demographic data?A. North African improvements in nutrition, health care, and sanitation have reduced birth and death rates as well as improved life expectancies over time.B. North African declines in nutrition, health care, and sanitation have resulted in higher birth rates but have not affected death rates or life expectancies over time.C. North African investment in transportation and energy sectors has reduced birth and death rates as well as improved life expectancies over time.D. Foreign investment in North Africa's transportation and energy sectors has resulted in higher birth rates but have not affected death rates or life expectancies over time.E. North African business losses in transportation and energy sectors have resulted in higher birth rates but have not affected death rates or life expectancies over time.
The correct answer is A. North African improvements in nutrition, health care, and sanitation have reduced birth and death rates as well as improved life expectancies over time. North Africa has a significantly different demographic data than the rest of the African continent, and it is more similar to the global demographic data.
This is due to the fact that North African countries have invested more in the fields of nutrition, health care, and sanitation than other African countries. This investment has resulted in a decrease in birth and death rates, as well as an increase in life expectancies.
Nutrition has a major impact on the health of a population. By improving the quality and availability of food, North African countries have been able to reduce the incidence of malnutrition and associated health problems. In addition, better access to health care and sanitation services have enabled people to live longer, healthier lives. Moreover, improved sanitation practices have helped to reduce the spread of infectious diseases and other health problems.
The improved nutrition, health care, and sanitation have all contributed to a decrease in the birth rate and an increase in the life expectancy of the population. This has resulted in North Africa’s demographic data being more similar to the global demographic data.
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FILL IN THE BLANK if the wind speed averages 11 mph on ashley hill and 12 mph on genevie hill, then a turbine operating on genevie hill could, in theory, generate about _____ % more electricity than a turbine on ashley hill.
A turbine running on Genevieve hill might theoretically produce roughly 30% more power than a turbine operating on Ashley hill if the wind speed is on average 12 mph on Genevieve hill and 11 mph on Ashley hill.
For wind turbines to start spinning and producing power, there must be a minimum wind speed (often 12–14 km/h). Strong winds are required for full-capacity generation (50–60 km/h).
Even a light breeze causes the blades to rotate, releasing kinetic energy. This causes the shaft in the nacelle to revolve as well, and a generator inside the nacelle transforms the kinetic energy of the rotating blades into electrical energy.
A typical onshore wind turbine may generate between 2 and 3 megawatts (MW), or more than 6 million kilowatt hours (Kwh), of power annually. That will be adequate to satisfy the electrical needs of around 1,500 typical families.
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is the result of forces that transports heated material to or toward the surface of the earth. (enter only one word per blank.)
volcanism is the result of forces that transports heated material to or toward the surface of the earth.
What are the definition and causes of volcanism?The process of molten rock erupting to the surface of the Earth is known as volcanism. In addition to being connected to tectonic movements and a component of the rock cycle, volcanism is a result of the heat generated by the planet's interior. When hot lava touches the Earth's surface, volcanic eruptions take place. The tectonic plates are displacing one another along constructive plate boundaries. To provide a fresh passageway for hot magma rising to the surface, the Earth's crust is split apart. These conditions can occasionally produce volcanoes; Iceland is one example.
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identify and discuss the major topographical units of Ethiopia and its sub units?
Much of the Ethiopian landmass is part of the East African Rift Plateau. Ethiopia has a general elevation ranging from 1,500 to 3,000 meters above sea level. Interspersed on the landscape are higher mountain ranges and cratered cones, the highest of which, at 4,620 meters, is
. The northernmost part of the plateau is Ethiopia's historical core and is the location of the ancient kingdom of Aksum. The national capital of Addis Ababa ("New Flower") is located in the center of the country on the edge of the central plateau.
Millennia of erosion have produced steep valleys, in places 1,600 meters deep and several kilometers wide. In these valleys flow rapid streams unsuitable for navigation but possessing potential as sources of hydroelectric power and water for irrigation.
The highlands that comprise much of the country are often referred to as the Ethiopian Plateau and are usually thought of as divided into northern and southern parts. In a strict geographical sense, however, they are bisected by the Great Rift Valley into the northwestern highlands and the southeastern highlands, each with associated lowlands. The northwestern highlands are considerably more extensive and rugged and are divided into northern and southern sections by the valley of the Abay (Blue Nile).
North of Addis Ababa, the surface of the plateau is interspersed with towering mountains and deep chasms that create a variety of physiography, climate, and indigenous vegetation. The plateau also contains mountain ranges such as the Chercher and Aranna. Given the rugged nature of these mountains and the surrounding tableland, foreigners receive a false impression of the country's topography when Ethiopians refer to the landform as a plateau. Few of these peaks' surfaces are flat except for a scattering of level-topped mountains known to Ethiopians as ambas.
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turn off the map layer and look at the area around mcintyre. you should see very blue pools to the west of town. zoom out a little and look further to the west and you will see many more of these pools. now look at the mine symbols near these pools. what is the commodity being mined in these locations? be sure to look specifically at the symbols that are on or very near the pools for this answer.
Kaolin clay's chemical composition. The initial kaolin clay samples contained 28.77 percent aluminum oxide and more than 50 percent silica.
Additionally, iron, titanium, calcium, sodium, potassium, and magnesium oxides can be found in kaolin clay.
Is kaolin a salt of aluminum?A hydrated aluminum silicate, kaolin It occurs naturally as a clay that is washed with water to remove sand and other impurities for pharmaceutical use.
How does kaolin sand work?China clay, also known as kaolin, is a type of commercial clay that is mostly made of the hydrated aluminosilicate clay mineral kaolinite. The whiteness of kaolin and the controllable, fine particle size of the mineral determine its commercial value.
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Full Question = turn off the map layer and look at the area around mcintyre. you should see very blue pools to the west of town. zoom out a little and look further to the west and you will see many more of these pools. now look at the mine symbols near these pools. what is the commodity being mined in these locations? be sure to look specifically at the symbols that are on or very near the pools for this answer. Sand Kaolin Gravel Aluminum.
The most conspicuous features on the surface of the Sun are dark areas called ________.
a. helium lines
b. granules
c. spicules
d. sunspots
e. flares
The most conspicuous features on the surface of the Sun are dark areas called sunspots.
Sunspots are districts on the Sun's photosphere that seem hazier than the encompassing regions on the noticeable sun powered plate because of decreased surface temperature related with groupings of attractive field motion and serious attractive action on the Sun. They typically form pairs with opposing magnetic polarities.
What do the dark regions on the surface of the Sun go by?On the Sun's surface, dark regions are called sunspots. Because they are cooler than other areas of the Sun's surface, they appear dark. The temperature of a sunspot is still exceptionally hot however — around 6,500 degrees Fahrenheit!
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Question 4
Consider this diagram.
(6x+30)
(8x+10)
Given: m/CEA (8z + 10); m/AED (6x +30)
Prove: == 10
Part A
Mr. Avila asked his students to write either a two-column proof or a paragraph proof for the question shown.
Student A and Student B each made a mistake in their proof. Identify each student's mistake and the step in which they
made it.
Type your response in the box.
The angles m∠CEA and m∠AED are supplementary thus the value of x will be 10 has been proved.
What is an angle?An angle is a geometry in plane geometry that is created by 2 rays or lines that have an identical terminus.
The identical endpoint of the two rays—known as the vertex—is referenced as an angle's sides.
m∠CEA and m∠AED are only two angles on a straight line thus they will be supplementary.
Therefore,
m∠CEA + m∠AED = 180°
8x + 10 + 6x + 30 = 180
14x + 40 = 180
14x = 140
x = 10
Hence "The value of x will be 10 has been proven since the angles m∠CEA and m∠AEDare complementary".
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what is difference between traditional map and modern map
Answer:
The difference is made not only by the material used for making maps as the earlier maps were on bark, animal skins and leaves or plank of wood. Later on paper and cloth was used. Now-a-days we have digital version.
Which of the following differences between the North and the South during the Civil War is depicted in the graph? A. The South engaged in more international trade than the North.
B. The South relied more on plantation agriculture than the North.
C. The North had less developed transportation infrastructure than the South.
D. The North had fewer people available for labor and the military than the South.
A difference between the North and the South during the Civil War was that B. The South relied more on plantation agriculture than the North.
How were the North and South difference in the Civil War ?With outstanding strength at the outset of the war, the North. It had around 22 million people versus 9 million in the South. In terms of wealth and scientific advancement, the North was superior to the South. The majority of the nation's banks and almost 90% of its manufacturing were located in the North.
Geographically, the North had benefits as well. In order to feed the troops, it had more farmland than the South. Most of the nation's iron, coal, copper, and gold were found on its soil. Because it controlled the oceans, the North was able to move troops and supplies anywhere they were required thanks to its 21,000 miles of railroad track.
Additionally, the South relied more on plantation agriculture than the North did.
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3 facts about Ladakh Desert and pls tell how to mark as brainliest
Above Shown is How to mark Brainlist.
Answer:
It is The land of the Rare twin-humped Bactrian Camels.It has the Highest Natural Ice Hockey rink.Ladakh has the Largest Telescope in Asia.Answer: Ladakh is a cold desert that in the Great Himalayas with extremely low temperatures with very less vegetation. Most of Ladakh is brown and rugged which is very different from the usual hill stations that are always lush green. But even after being a dessert, Ladakh is home to over 225 Species of Birds.
Explanation:
1. Locations for Stargazing
Second Highest Optical Telescope in The World
Situated at an altitude of 4,500 meters, the Indian Astronomical Observatory at Hanle is the second-highest optical telescope in the world. Far away from the polluted urban cities and on such high altitude, the place had to be on top of the list of the best places for stargazing in India. The air is so dry and clear that the brightness of the Milky Way is spectacular. You could even photograph from the famous Pangong Lake and see the spectacular view in the reflection of the lake and in the brightest night sky lit solely by the light of stars. Tha village of Nubra is quite famous for the same too.
2. Cross Steep Bridges Over Cold Gushing River Water
The Highest Bridge In The World
Right between the Suru River and Dras River, the Bailey bridge was constructed in 1982 by the Indian Army in the rough Himalayan Ranges. This 30 meter long bridge is the highest bridge in the world at a height of 5,602 meters above sea level. It is a temporary bridge made up of lattice steel by prefabricated parts. Such bridges have great application in Military.
3. Difficult Yet Peaceful Living Arrangements
Highest Settlement In India
A large portion of the area between the Suru Valley and Zanskar Valley which is surrounded by the Himalayas and Zanskar Ranges is rough and largely inhabited. The main area that is inhabited is Rangdum. But after crossing Rangdum, at the height of 4,400 m at Pensi-la which is also the gateway to Zanskar, is India's Highest Settlement! A life at such a height has to be difficult and yet the most peaceful when amidst a beauty like Leh-Ladakh
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using the figure, what is the temperature range to produce low-grade regional metamorphic rock?
Metamorphic rocks form one of the three great divisions of rock types. They are distinguished from igneous rocks, which form from molten magma, and sedimentary rocks.
With a little rise in temperature (over 200 °C) and noticeably increased directional pressure, regional low-grade metamorphism occurs. In contrast to hydrostatic pressure, directed pressure or stress only works in one direction. When minerals in rocks recrystallize as a result of this type of high pressure, new plates, such as those with elongated and leaf-like crystals, are formed. The longest surface of the new minerals is parallel to the pressure direction (Figs 6.2 and 6.3). The major characteristic of low-grade metamorphosed schist is this orientation of the minerals, or schistosity, and the fundamental characteristic of lepidoblastic and nematoblastic structure is the slips and sticks of these minerals.
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12. Which of the following countries was the first to go through the Demographic Transition Model?
a. United States b. Russia c. Spain d. England
The photograph shows a small waterfall located on the tug hill Plateau. rock fragments that are tumbled, and carried over long distances by this stream are most likely becoming what?
Sedimentary rocks are the types of rocks that are created by the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by cementation.
Which rock layer formed from the deposition of land derived sediments?The mechanisms that lead to the placement of these particles are collectively referred to as sedimentation. Sediment is the collective name for the little fragments that make up sedimentary rocks. It can be made up of biological or geological waste (organic matter). The geological debris resulted from the weathering and erosion of pre-existing rocks or from the solidification of molten lava blobs released by volcanoes. Water, wind, ice, or mass movement—collectively referred to as "agents of denudation"—transport the geological debris to the site of deposition.The remains and pieces of dead aquatic species, primarily their shells, as well as their fecal material, suspended in water, progressively accumulated on the bottom of bodies of water to create biological detritus (marine snow). Sedimentation can also happen when dissolved minerals precipitate out of aqueous solutions.To Learn more About Sedimentary rocks refer To:
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what force that change the earth surface
Gravity and erosion are major factors in changing the shape of the surface of Earth.
Answer:
Gravity and erosion
Explanation:
There are obvious problems with the American system: the influence of money on politics, the influence of an electoral system that is increasingly misaligned with "democratic" choices, but America seems incapable of reforming itself.
Answer:
It is true that the American political system has faced challenges and criticisms in recent years, including the influence of money on politics and concerns about the alignment of the electoral system with the will of the people. These issues have been the subject of ongoing debate and efforts to address them through reforms at the local, state, and federal levels.
There are also a number of structural and institutional factors that can make it difficult to enact significant reforms in the American system, including the separation of powers between different branches of government, the influence of special interest groups, and the role of political parties. Additionally, cultural and societal divisions can make it difficult to achieve consensus on controversial issues.
Despite these challenges, there have been examples of significant reform in the American political system, both in the past and in recent years. Some examples include the abolition of slavery, the extension of voting rights to marginalized groups, and the passage of campaign finance reform laws. It is important for individuals and organizations to continue to advocate for change and work towards a more equitable and representative political system.
Use properties to rewrite the given equation. Which equations have the same solution as 2.3p – 10.1 = 6.5p – 4 – 0.01p? Select two options. 2.3p – 10.1 = 6.4p – 4 2.3p – 10.1 = 6.49p – 4 230p – 1010 = 650p – 400 – p 23p – 101 = 65p – 40 – p 2.3p – 14.1 = 6.4p – 4
The properties of equality can be used to rewrite the equations and the two equations that have the same solution as the given equation are;
B. 2.3p - 10.1 = 6.49 - p - 4
C. 230p - 1010 = 650p - 400 - p
Which equations have the same solution?The given equation is; 2.3·p - 10.1 = 6.5·p - 4 - 0.01·p
Simplifying the above equation by collecting like terms gives;
2.3·p - 10.1 = 6.5·p - 0.01·p - 4 = 6.49·p - 4
2.3·p - 10.1 = 6.49·p - 4
Both sides of an equation will remain equal, when both sides are multiplied by the same amount. Multiplying both sides of the original equation by 100 gives the same solution as follows;
100 × (2.3·p - 10.1) = 100 × (6.5·p - 4 - 0.01·p)
230·p - 1010 = 650·p - 400 - p
The correct options are B and C.
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Please help. Find the approximate latitude and longitude of the American territory the mainland of which includes the contiguous 48 states. Take into consideration the extreme points.
Answer:
The mainland of the United States, which includes the contiguous 48 states, stretches from the extreme point of westernmost Alaska to the extreme point of easternmost Maine. The approximate latitude and longitude of these extreme points are:
Westernmost Alaska: 71.38° N, 179.21° W
Easternmost Maine: 45.29° N, 67.01° W
The latitude of the mainland of the United States ranges from 71.38° N at its westernmost point to 45.29° N at its easternmost point. The longitude of the mainland ranges from 179.21° W at its westernmost point to 67.01° W at its easternmost point.
Overall, the mainland of the United States covers a wide range of latitudes and longitudes, and its extreme points are located at opposite ends of the country.
which of the following statements about meridians of longitude are correct?
The correct statements about meridians of longitude is:
Meridians of longitude the farthest apart at the equator.Meridians of longitude are the same length.Meridians of longitude connect the poles of the earth.What is meridians of longitude?Meridians, which are also known as lines of longitude, are fictitious lines that divide the globe. They measure the distance either east or west, running from pole to pole from north to south. The units of longitude are degrees, minutes, and seconds. The Prime Meridian, which separates the world's Eastern and Western Hemispheres, is located at longitude 0 degrees. The total number of longitudes is 360, made up of 179 western longitudes, 179 eastern longitudes, 1 GMT line, and 1 (0 °) longitude line.
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Which of the following stream channel forms is likely to develop when aggradation greatly exceeds erosion?
Braided channel forms are likely to develop when aggradation greatly exceeds erosion.
A braided channel is divided into lower channels by temporary islets called eyots. pleated channels form in gutters with a significant quantum of sedimentary cargo, a steep profile, and where discharge regularly fluctuates. the braided channel consists of a network of swash channels separated by small, frequently temporary, islets called pleat bars or, in English operation, aits or eyots.
Braided aqueducts tend to do in gutters with high deposition loads or coarse grain sizes, and in gutters with steeper pitches than typical gutters with straight or maundering channel patterns. They're also associated with gutters with rapid-fire and frequent variation in the quantum of water they carry, i.e., with" flashy" gutters and with weak banks.
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Which of the following was an important event for Islam?
A. The Diaspora of Islam
B. Schisms between orthodox churches
C. The Golden Age of Islam
D. Covenant of Rome converting the empire to Islam
Answer:
D it’s the answer
Which of the following factors is most important when determining the type of collision that forms when two plates collide?
The most important factor when determining the type of collision when two plates collide is the relative plates’ velocities. So the correct option is c.
If the plates are moving past each other at the same rate, it is known as a transform boundary, and the collision type will be strike-slip. During this type of collision, the plates move horizontally past each other, causing seismic activity such as earthquakes. The collision type is determined by whether the plates are moving past each other, interacting with each other, or converging in the same direction.
If the plates are moving towards each other but at different rates, it is known as a convergent boundary, and the collision type will be either a subduction zone or a collisional boundary. A subduction zone occurs when one plate slides underneath the other, causing the formation of mountains and volcanoes. A collisional boundary occurs when the two plates collide head-on, causing the formation of a mountain range.
Finally, if the plates are moving in opposite directions, it is known as a divergent boundary, and the collision type will be either a rift or spreading. A rift occurs when the plates pull apart, creating a valley. Spreading occurs when two plates move in opposite directions and create new oceanic crust.
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a.the density of each plate
b.the size of each plate
c.relative plates’ velocities
d.the length of the boundary
Which of the following is incorrectly matched? A. cut bank - outer portion of a stream meander
B. point bar - area of substantial erosion
C. aggradation - sediment accumulation in the stream channel
D. braided stream - maze of interconnected channels
The answer that is incorrectly matched is C. Aggradation is the process by which sediment is deposited on the bed or banks of a stream, leading to an increase in the elevation of the stream bed. Therefore, aggradation is not an area of erosion, but rather an area of sediment accumulation.
A cut bank is an outer portion of a stream meander, which is an area of substantial erosion. The erosive forces of the stream cause the bank to become steep and undercut, resulting in a bluff or cut bank.
A point bar is an area of deposition, where the stream slows down and deposits sediment. Point bars are usually found on the inside of meanders, opposite of the cut bank. Point bars are often characterized by having a gentle slope and sediment accumulations.
A braided stream is a stream with a maze of interconnected channels. These channels are formed as sediment is deposited in the stream and the stream splits into multiple channels as it flows. Braided streams are often found in areas with high sediment loads, where the sediment is deposited faster than it can be moved downstream.
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Which of the following statements concerning earthquake damage or earthquake-associated phenomena is FALSE?
Group of answer choices
Tsunamis most often occur along convergent subduction zones rather than divergent spreading zones or oceanic transform boundaries.
Human activities, like dam construction and subsurface fluid injection can trigger damaging and even deadly earthquake events.
Although population density obviously affects earthquake death tolls, the building designs and materials used in an area are also important.
Buildings built on loose sediment tend to be safer than those built on brittle bedrock as the sediment helps to reduce earthquake energy.
Although tsunami and earthquake warning systems can help reduce death tolls, they are of limited use close to an earthquake’s epicenter.
Answer:
Buildings built on loose sediment tend to be safer than those built on brittle bedrock as the sediment helps to reduce earthquake energy.
Explanation:
Which of the following is the best method for preventing soil erosion in an agricultural area?
(A) Slash-and-burn agriculture
(B) Integrated pest management
(C) Monocrop farming
(D) Terrace farming
Answer: Terrace Farming is the best method to prevent soil erosion in an agricultural area. Thus, it is Option (D).
Explanation: Terrace farming refers to farming in which steeply sloped surface-like hills (higher altitudes) are cut into flat layers, resembling a series of steps on which various crops are grown. Rainfall takes soil with it, leading to erosion. Terrace farming mitigates the effects of erosion by slowing water runoff and trapping it in individual layers along the incline.
Slash-and-burn agriculture refers to the clearing of wild or forested land and the burning of any remaining vegetation. This deforestation causes the soil to erode since there is no vegetation left to hold it.
Integrated Pest Management (IPM) is a sustainable, science-based, decision-making process that combines biological, cultural, physical, and chemical tools to identify, manage and reduce risk from pests and pest management tools and strategies in a way that minimizes overall economic, health, and environmental risks.
Monocropping is the agricultural practice of growing a single crop year after year on the same land, in the absence of rotation through other crops, or growing multiple crops on the same land, which is known as polyculture.