Sediments produced by plants and animals in the sea are called biogenous. Option E is the correct answer.
Sediments that are biogenous were formed from the skeletal remains of living things. A vast range of particles, including tiny creatures' shells, coral fragments, sea urchin spines, and bits of mollusk shells, make up these hard components. Option E is the correct answer.
The most significant sort of biogenous sediment is derived from testing of tiny one-celled algae and protozoans that are present in ocean surface waters. The sediment is referred to as an ooze when these tests account for more than 30% of the sediment's particles. The places under open water where nutrients are accessible to boost productivity are where oozes are most common. Oozes build up in these places on average at a pace of 1 centimeter per 1000 years. On the continental edges, where lithogenous sediments predominate, oozes are typically absent. Option E is the correct answer.
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: 162) What general term denotes a buried, erosional surface where rock layers are missing?
The general term that denotes a buried, erosional surface where rock layers are missing is called an "unconformity."
An unconformity is a buried erosional or non-depositional surface separating two rock masses or strata of different ages, indicating that sediment deposition was not continuous. In general, the older layer was exposed to erosion for an interval of time before deposition of the younger layer, but the term is used to describe any break in the sedimentary geologic record. The significance of angular unconformity (see below) was shown by James Hutton, who found examples of Hutton's Unconformity at Jedburgh in 1787 and at Siccar Point in Berwickshire in 1788, both in Scotland. The rocks above an unconformity are younger than the rocks beneath (unless the sequence has been overturned). An unconformity represents time during which no sediments were preserved in a region or were subsequently eroded before the next deposition.
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Which Region has mountains that help create precipitation for the state
Precipitation occurs on the windward (upwind) side of mountains. The Cascade Range in Washington is one such example of mountains that help create precipitation for the state.
The state's climate and precipitation patterns are greatly affected by the Cascade Range, a mountain range that cuts through it from north to south. When humid air from the Pacific Ocean travels inland and comes into contact with the mountains, it is forced to rise and cool, which causes the moisture in the air to condense and form precipitation.
California, Colorado, and Montana are a few states that have mountain ranges with a significant impact on precipitation patterns.
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The population grows most rapidly when the birth rate is significantly greater than the death rate.
Population growth is fastest with high birth rates and low death rates, leading to a natural increase in population.
Birth and death rates affect population growth. The population naturally grows when the birth rate outpaces the mortality rate. This indicates that more people are introduced to the population via births than are eliminated through deaths. A quicker rate of population increases results from birth rates that are much greater than mortality rates.
It is crucial to strike a balance between population expansion and strategies for sustainable development since a fast population increase can strain infrastructure and resources.
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Numerical age dates based in radioactivity are very important for studying Precambrian geologic history because fossils are rare or absent.A. TrueB. False
A. True Numerical age dates based on radioactivity are very important for studying Precambrian geologic history because fossils are rare or absent. This method helps scientists to determine the age of rocks and understand the development of Earth's early history.
The Precambrian is a geologic eon that spans from the formation of the Earth about 4.6 billion years ago until the beginning of the Phanerozoic eon, which started about 541 million years ago. It is the longest eon in Earth's history, lasting for over 4 billion years, and it is divided into several different time periods. The Precambrian was marked by significant geological events, such as the formation of the Earth's crust and the evolution of life on Earth, including the development of photosynthesis and the emergence of eukaryotic cells. The Precambrian is also characterized by the formation of the first continents and the development of complex mineral deposits.
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a sediment made up of quartz and feldspar grins is transported for a long time. what will the sediment end up looking like
When a sediment made up of quartz and feldspar grains is transported for a long time, it will undergo processes such as weathering and erosion.
If a sediment made up of quartz and feldspar grains is transported for a long time, it will likely end up looking well-sorted and rounded. During transportation, the sediment grains will continuously collide and abrade against each other, causing any sharp edges to wear down and become smoother. This results in the grains becoming more rounded. Additionally, the process of transportation often causes the larger, heavier grains to settle first, leaving behind the finer, lighter grains. This leads to a sorting process where the sediment becomes more uniform in grain size. As both quartz and feldspar are relatively durable minerals, they are likely to remain in the sediment over time, contributing to its well-sorted and rounded appearance. As a result, the sediment will become more rounded, smaller in size, and well-sorted due to the abrasive action of water or wind during transport. The sediment may also become enriched in quartz, as it is more resistant to weathering than feldspar.
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America's possessions in the Caribbean, _____ are not considered part of North America, and therefore will not be covered in this course.
America's possessions in the Caribbean, which are not considered part of North America and will not be covered in this course.
America's possessions in the Caribbean include territories like Puerto Rico, the U.S. Vir gin Islands, and other smaller islands. These territories are not considered part of North America due to their geographical location, as they are situated in the Caribbean Sea, southeast of the North American continent.
North America mainly comprises the countries of Canada, the United States, and Mexico, along with Greenland and a few smaller territories.
In this course, the focus will be on the regions and countries that are geographically and politically associated with the continent of North America, so the Caribbean possessions will not be covered. This allows for a more focused study of the specific continent and its related issues and topics.
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Strengths of the sub-saharan african city model
The Sub-Saharan African City Model is a useful framework for understanding the urban patterns and characteristics of cities in sub-Saharan Africa.
Some of its advantages are as follows:
Contextual: The model acknowledges that African cities have distinct characteristics and challenges that are formed by their distinct historical, political, and economic circumstances.The model emphasises the relevance of informal settlements in African cities, which are sometimes disregarded or stigmatised in other urban models. The concept takes a holistic approach, examining the social, economic, and environmental aspects that shape African cities.Recognising ethnic and linguistic variety: The model acknowledges the diversity of African societies and the significance of ethnicity and language in creating urban patterns.Provides a foundation for comparative analysis: The model provides a foundation for comparing African cities to one another and to cities in other parts of the world.For such more question on Saharan Africa:
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Beneath Earth's surface, where does the heat exchange occur that moves tectonic plates?
a) continental crust
b) ocean trenches
c) convection cells
d)subducting plates
e) mid-ocean ridge
The heat exchange that moves tectonic plates occurs in the convection cells beneath the Earth's surface. Therefore the correct option is option C.
The heat created by radioactive decay in the Earth's mantle drives these convection cells. The mantle gets less dense as it heats up and rises to the surface, dragging tectonic plates with it.
The plates cool and get denser as they travel away from the rising mantle, finally sinking back down into the mantle at subduction zones. This sinking motion completes the convection cell and causes the tectonic plate motion.
While mid-ocean ridges and subduction zones are significant aspects of plate tectonics, they are not the locations of the heat exchange that drives plate motion. Therefore the correct option is option C.
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: 163) What kind of unconformity is produced when tilted, older strata are eroded and buried by younger strata?
The kind of unconformity produced when tilted, older strata are eroded and buried by younger strata is called an angular unconformity.
The kind of unconformity produced when tilted, older strata are eroded and buried by younger strata is called an angular unconformity. This occurs when the older rock layers have been tilted or folded, then eroded, and later covered by younger, more horizontally deposited strata. It can unconformity in which sedimentary rock strata that are horizontally parallel are deposited on layers that have been tilted and eroded, creating an angular discordance with the horizontal layers that are above them. The entire succession may later be distorted and shifted by further orogenic movement. A type of geologic contact that forms a boundary between rocks when sediments are deposited again after a time of erosion or accumulation.
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In a philosophical sense, social policy may mean:
In a philosophical sense, social policy may mean the principles and values that guide the creation and implementation of laws, regulations, and programs aimed at promoting the well-being of society as a whole.
It involves a consideration of ethical, moral, and political questions and seeks to address issues such as social justice, equality, and human rights. Ultimately, social policy is about creating a framework for a fair and just society that meets the needs of all its members. It means the study and analysis of the principles, values, and ethical considerations that guide the development and implementation of policies affecting the well-being of society and its members. This approach involves examining the underlying assumptions, goals, and moral implications of various social policies, aiming to create a just and equitable society.
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explain the features and processes associated with ocean-ocean and ocean- continent convergent boundaries
Ocean-ocean and ocean-continent convergent boundaries are associated with the formation of subduction zones, volcanic activity, and the creation of deep ocean trenches.
Ocean-ocean convergent boundaries occur where two oceanic plates collide. These boundaries are characterized by the formation of subduction zones, where one of the plates is forced underneath the other due to differences in density. This process creates deep ocean trenches, such as the Mariana Trench, and can also lead to the formation of volcanic islands, such as the Aleutian Islands. Additionally, the friction and pressure generated during subduction can cause earthquakes and the release of magma, which can further contribute to volcanic activity. Ocean-continent convergent boundaries occur where an oceanic plate collides with a continental plate. This type of boundary is characterized by the subduction of the oceanic plate beneath the continental plate. As the oceanic plate descends into the mantle, it heats up and melts, causing magma to rise to the surface and form volcanic mountains, such as the Andes in South America. These boundaries can also lead to the formation of deep ocean trenches, such as the Peru-Chile Trench. These processes are a result of the collision of two tectonic plates with different densities and can cause earthquakes, the release of magma, and the formation of mountain ranges and volcanic islands.
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An unsaturated parcel of air in Boulder, Colorado, rises from a surface temperature of 24ºC and an elevation of 1655 m to an elevation of 4155 m without reaching the dew-point temperature. What is the temperature of the parcel at this elevation?
If an unsaturated parcel of air in Boulder, Colorado, rises from a surface temperature of 24ºC. the temperature of the parcel at an elevation of 4155 m is -1°C.
What is the temperature of the parcel at this elevation?The rate at which an unsaturated parcel of air cools as it rises is known as the dry adiabatic lapse rate, and it can be used to solve this issue. According to 1000 metres of climb, the dry adiabatic lapse rate is around 9.8°C.
To start, we can determine the elevation change:
4155 m - 1655 m = 2500 m
The predicted temperature drop caused by the dry adiabatic lapse rate can therefore be calculated as follows:
9.8°C/1000 m x 2.5
= 24.5°C
= 25 °C (Approximately)
As a result, the parcel's temperature at 4155 m above sea level is:
24°C - 25°C = -1°C.
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(T/F) Out of Robert Merton's list of 5 personality types - conformity, innovator, ritualist, retreatist, and rebel- all but one is deviant according to Merton's definition.
The cloud droplets in a cloud are formed by water vapor molecules and:
-ions.
-protons.
-other water vapor molecules.
-molecules of air.
-condensation nuclei.
Cloud droplets in a cloud are formed through a process called condensation, where water vapor molecules in the air cool and come together to form liquid water droplets.
The correct answer is e) condensation nuclei.
However, for condensation to occur, the water vapor molecules need a surface to gather around, which is provided by tiny particles called condensation nuclei. These condensation nuclei can be solid particles, such as dust, pollen, or pollution particles, or even liquid particles, such as tiny water droplets or ice crystals.
Condensation nuclei serve as the "seeds" around which the water vapor molecules can gather and form cloud droplets. Without condensation nuclei, the water vapor molecules would remain in the gaseous state and not form visible cloud droplets. Therefore, condensation nuclei are an essential component in the process of cloud formation, allowing cloud droplets to form and contribute to the formation of visible clouds in the atmosphere.
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The process of adding a terrane to another landmass is called __________.
The process of adding a terrane to another landmass is called accretion.
When a segment of the crust, such as an island arc or a piece of oceanic crust, collides with and becomes linked to a continent or another landmass, this is referred to as accretion.
This process is common near convergent plate borders where tectonic plates collide, and it can result in the construction of mountains and other geological features.
The accreted terranes may become absorbed into the broader landmass over time, making their initial identity impossible to recognise. Accretion has shaped the Earth's surface and geologic history significantly.
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how can drought be triggred by physical condition
Answer: When rainfall is less than normal for a period of weeks to years, streamflows decline, water levels in lakes and reservoirs fall, and the depth to water in wells increases. If dry weather persists and water-supply problems develop, the dry period can become a drought.
Conceptual Question 9-7 If a process has...30. If a process has a six sigma capability, what is the process capability index?- 1- 2- 6- 12
If a process has a six sigma capability, the process capability index (Cpk) is 2. This is because six sigma capability refers to having six standard deviations between the process mean and the nearest specification limit, and the Cpk value is calculated as half of the total sigma capability.
Process capability index (Cpk) is a statistical tool, to measure the ability of a process to produce output within customer’s specification limits. In simple words, it measures producer’s capability to produce a product within customer’s tolerance range. Cpk is used to estimate how close you are to a given target and how consistent you are to around your average performance. Cpk gives you the best-case scenario for the existing process. It can also estimate future process performance, assuming performance is consistent over time. Cpk is a standard index to state the capability of one process, the higher the Cpk value the better the process is. For instance, Machine 1 has a Cpk of 1.7 and machine 2 has a Cpk of 1.1. From the Cpk value, one can derive that Machine 1 is better than 2. Since Cpk uses specification limits and parts variation (sigma), we can also arrive at the yield processed and losses from the machine.
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What is the role of water vapor in the atmosphere and house does it relate to other greenhouse gases in the warming process?
Water vapor is the most abundant greenhouse gas in the Earth's atmosphere and plays a significant role in the warming process. It acts as a positive feedback to the warming effect of other greenhouse gases such as carbon dioxide, methane, and nitrous oxide.
Here's how it's done:
Water vapour absorbs and re-emits long-wave radiation (infrared radiation) from the Earth's surface and other greenhouse gases in the atmosphere, trapping heat and contributing to the greenhouse effect.
Because warm air can hold more moisture than cold air, the amount of water vapour in the atmosphere increases when the atmosphere warms due to the greenhouse effect.
Water vapour also contributes to cloud formation, which reflects incoming solar energy back into space, cooling the Earth's surface.
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Question 28
Which one of the following cities has a water concentration of asbestos that is 10-100 million fibers per liter?
a. Chicago
b. Pittsburgh
c. Los Angeles
d. San Francisco
Based on the information provided, the city with a water concentration of asbestos that is 10-100 million fibers per liter is:
b. Pittsburgh
Asbestos is a naturally occurring fibrous mineral that was widely used in construction and manufacturing throughout the 20th century. It is valued for its heat resistance and durability, and was commonly used in insulation, roofing, and fireproofing materials. However, asbestos fibers are extremely hazardous when inhaled, as they can become trapped in the lungs and cause serious health problems, including lung cancer, mesothelioma, and asbestosis. As a result, many countries have banned or restricted the use of asbestos, and there are strict regulations in place for its handling and removal. Despite these efforts, many older buildings and products still contain asbestos, posing a risk to workers and the general public.Asbestos is a naturally occurring fibrous mineral that was widely used in construction and manufacturing throughout the 20th century. It is valued for its heat resistance and durability, and was commonly used in insulation, roofing, and fireproofing materials. However, asbestos fibers are extremely hazardous when inhaled, as they can become trapped in the lungs and cause serious health problems, including lung cancer, mesothelioma, and asbestosis. As a result, many countries have banned or restricted the use of asbestos, and there are strict regulations in place for its handling and removal. Despite these efforts, many older buildings and products still contain asbestos, posing a risk to workers and the general public.
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according to anthropologist laura ogden, the major environmental problem in the everglades is rising ocean levels. true or false
False. According to Laura Ogden, an anthropologist who has studied the Everglades, the major environmental problem in the Everglades is not rising ocean levels, but rather the loss and degradation of freshwater habitats.
The Everglades is a unique wetland ecosystem in southern Florida that is home to a diverse array of plant and animal species, many of which are threatened or endangered.Historically, the Everglades was fed by a slow-moving sheet of freshwater that flowed south from Lake Okeechobee through the River of Grass, a shallow, slow-moving river that spanned the width of the Everglades. However, decades of human intervention, including water diversion and land development, have significantly altered the natural flow of water in the Everglades, causing widespread habitat loss and degradation.While rising ocean levels are a concern for low-lying areas in southern Florida, including the Everglades, they are not the primary environmental problem facing the region.
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Two groups of runners leave the same locker room heading in opposite directions. Group A runs 4.6 miles due east, then turns 40º toward north and runs 2.1 miles. Group B runs 4.6 miles due west, then turns 50º toward south and runs 2.1 miles. Which group is farther from the locker room?Because , is farther away from the locker room by the .
Using law of cosines, the group that is farther from the locker room is; Group B
How to use Law of Cosines?The law of cosines gives that;
c² = a² + b² - 2ab cos C
Now, for group A, we can use law of cosine to find their current distance from the locker room as;
a² = 4.6² + 2.1² - 2(4.6*2.1)*cos 40°
a² = 21.16 + 4.41 - 14.8
a = √10.77
a = 3.28 miles
Similarly, for Group B, we have;
b² = 4.6² + 2.1² - 2(4.6*2.1)*cos 50°
b² = 21.16 + 4.41 - 12.42
b = √13.15
b = 3.63 miles
This means that group B is farther from the locker room
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When warm moist air moves over a cold surface, ________ fog may result.
-radiation
-upslope
-precipitation
-steam
-advection
Answer:
Advection
Explanation:
Advection fog is when warm moist air moves over a cold surface
True or False: As an air parcel expands, it does work on the environment
What are three ways in which governments can cooperate internationally to deal with projected climate change?
To combat the predicted effects of climate change, nations can work together globally through the Kyoto Protocol, technological transfer, and measures to maintain major forests.
Climate change means the long-term change of weather patterns and temperature levels. Possible causes of these changes include biological processes like fluctuations within the sun period. Yet, throughout the 1800s, industrial activity—particularly the combustion of energy sources like coal, oil, and gas—has been the primary cause of climate change.
People are in danger of being hungry as a result of prolonged droughts, and communities have been forced to leave because of sea level rise and saltwater intrusion. There are several ways to address climate change that can increase the economy, improve our quality of life, and protect the environment. Kyoto Protocol, technological transfer, and measures to maintain major forests are some initiatives of the government.
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Which of the following best explains the strength of the diagram shown as a theoretical model in human geography?
A. The model presents a general theory that is most applicable to metropolitan areas that were once colonial-era Spanish cities.
B. The model presents a general theory that is applicable to metropolitan areas that were first settled in the era
of postcolonial independence.
C. The model presents a general theory that is most applicable to metropolitan areas that were once colonial-era Portuguese cities.
D. The model presents a general theory that is most applicable to metropolitan areas with service-based urban economies.
E. The model presents a general theory that is most applicable to metropolitan areas with technology-based urban economies.
Answer:A
spanish cities or whatever just looked it up
Explanation:
Trust
Does Greece have a mainland, islands, or both
Answer:
about 17% percent of territory is island whilst the rest is mainland. So I'd assume both.
Fossil fuels
a) are evenly distributed around the world
b) comprise roughly 50% of current global energy needs
c) are a renewable energy source
d) are linked to environmental damage, most notable the emission of greenhouse gases
e) include wind, solar, and natural gas
: 1 70) An unconformity in which the strata on either side are essentially parallel is termed a(n) ________.
An unconformity in which the strata on either side are essentially parallel is termed a disconformity.
In a disconformity, there is a break in the sedimentary record, where a layer of sedimentary rock was deposited on an eroded surface of an older layer of sedimentary rock.
However, the layers on either side of the unconformity are parallel to one another, indicating that there was no significant deformation or tilting of the rock layers during the unconformity-forming event. In contrast, an angular unconformity is characterized by tilted or folded rock layers on one side of the unconformity, and flat-lying rock layers on the other side.
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An unconformity in which the strata on either side are essentially parallel is termed a disconformity.
A disconformity is a type of unconformity that occurs between two parallel layers of sedimentary rocks of different ages. It represents a period of erosion or non-deposition, during which time the older rock layer was exposed to the surface and eroded while the younger layer continued to accumulate on top of it. Disconformities can be difficult to recognize because the layers above and below the unconformity appear to be parallel, making it hard to identify the gap in time represented by the missing layer. However, geologists can use a variety of techniques, including radiometric dating and fossil analysis, to determine the relative ages of the rocks and the time gap represented by the disconformity.
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: 169) All of geologic time prior to the beginning of the Paleozoic era is commonly referred to as the ________.
All of geologic time prior to the beginning of the Paleozoic era is commonly referred to as the Precambrian.
The Precambrian (or Pre-Cambrian, sometimes abbreviated pꞒ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the Phanerozoic Eon, which is named after Cambria, the Latinised name for Wales, where rocks from this age were first studied. The Precambrian accounts for 88% of the Earth's geologic time. The Precambrian is an informal unit of geologic time,[2] subdivided into three eons (Hadean, Archean, Proterozoic) of the geologic time scale. It spans from the formation of Earth about 4.6 billion years ago (Ga) to the beginning of the Cambrian Period, about 538.8 million years ago (Ma), when hard-shelled creatures first appeared in abundance.
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based on the principle of original horizontality, when did the process of tectonic uplift (tilting) of these sedimentary layers take place? group of answer choices after the deposition of j but before the deposition of n after the intrusion of a bit before the deposition of n after the deposition of n but before the deposition of k k after the deposition of b but before the deposition of f
Based on the principle of original horizontality, the sedimentary layers were originally deposited horizontally. Therefore, any tilting or uplift of these layers would have occurred after deposition.
Considering the given options, the correct answer would be: after the deposition of N but before the deposition of K. This is because the layers are listed in alphabetical order, and according to the principle of superposition, the oldest layers are at the bottom while the youngest are at the top. Therefore, the layers in question (J, N, and K) were deposited in that order. The tilting must have occurred after the deposition of N (as it was still horizontal during its deposition) but before the deposition of K (as K is still horizontal and not affected by the tilting).
The process of tectonic uplift (tilting) of these sedimentary layers took place after the deposition of J but before the deposition of N. This is because original horizontality states that sediments are deposited in horizontal layers, and any tilting would have occurred after deposition but before the subsequent layer was deposited.
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