This microfossil had cell walls with a complicated morphology.
Since science students learn best by seeing things with their own eyes, microfossils are an essential class of fossils that are highly helpful in the classroom and important to climate scientists.
Additionally helpful are microfossils in the mining, geology, engineering, and other environmental-related industries. Sedimentary rocks always include significant numbers of microfossils. For instance, sedimentary rocks composed of the shells of foraminifera, a significant group of microfossils, are used to create the Egyptian pyramids. Microorganisms found in fossilized materials include It is known that bacteria, protozoa, and fossilized protozoa have complex exterior barriers.By finding cold-water foraminifera of the same age elsewhere in the oceans, scientists can construct maps showing where cold water existed at various points in the Earth's history. The microfossils themselves can speak volumes about the chemistry and temperature of the ocean.
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Why was slavery so profitable?
Answer:
Below
Explanation:
Slavery was so profitable because it provided a large and consistent source of labor that was essentially free.
The cost of maintaining slaves was far less than that of hiring and paying workers, and the work could be done more quickly and efficiently.
Additionally, the profits generated from slave labor often went directly to the slave owner, making it an incredibly lucrative enterprise.
Please answer fast
1. Complete the following sentences using words from the lesson.
a. ___________________ are steep-sided volcanoes that erupt a variety of lavas that are stiff or pasty and do not flow easily.
b. There are four major groups of lava rocks: ___________________, ________________________, _____________________, ____________________.
c. Volcanoes have a ___________________ at the summit formed around a vent through which lava steam, ashes, etc. are expelled.
Answer:
a. stratovolcano
b. Basalt, andesite, dacite, rhyolite
c. caldera
what are some cultural characteristics of Chinatown in San Francisco CA
Answer:
Oxford Dictionaries defines "Chinatown" as "... a district of any non-Asian town, especially a city or seaport, in which the population is predominantly of Chinese origin". However, some Chinatowns may have little to do with China.
A mT air mass is likely to be than a cT air mass because the mT air mass A. wetter; forms over the ocean B. drier; is a cold air mass C. drier; forms under the equatorial low D. wetter; is warmer than the cT air mass E. hotter; forms over the ocean
Answer:
A. wetter; forms over the ocean
Explanation:
The air mass over the ocean is more wet compared to air mass on land since the ocean has water which is wet while air-mas over land is drier since there is a lack in abundance of water on land.
According to the chart, which country's HDI has improved the most since
1995?
Answer:
Botswana
Explanation:
How might rain shape the political landscape of the future?
scientists claim that south america was part of a large landmass called gondwana, which included antarctica and australia. which law or theory supports the claim?
The continental drift law
Continental drift law
One of the earliest hypotheses put forth by geologists for how continents might move over time is called continental drift. The theory of continental drift has now been replaced by the science of plate tectonics. The scientist Alfred Wegener is most closely associated with the concept of continental drift. Wegener wrote a paper outlining his theory that the continents were "drifting" across the Earth, occasionally crashing through oceans and into one another, in the early 20th century.
Around 200 million years ago, Gondwanaland, a massive continent that included Antarctica, South America, Africa, India, and Australia, was formed. Trees and large animals flourished, and there was no ice sheet.
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What is the image of (-5,-1) after a reflection over the line y = x?
Answer:
(-1,5)
Explanation:
You have carried out your own fieldwork investigating variations in the quality of life within urban areas. Evaluate the relative importance of primary and secondary data in your investigation. (8)
The goal of geographic fieldwork is to learn new things about individuals, communities, and surroundings. This could entail creating tests to evaluate a geographic question or questions, gathering data that is meaningful and pertinent to the chosen question.
What fieldwork investigating variations in the quality of life?Students and scholars can investigate how scientific theories relate to everyday life through fieldwork. Both the social and scientific sciences benefit from field research. Social sciences like economics and history put a heavy emphasis on people, culture, and society.
Therefore, Primary fieldwork aims to fully immerse students in their environment, including listening to city noise, feeling smooth rocks on the beach, smelling the air, experiencing the texture of autumn leaves in the woods, and so forth.
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In 1948,member voted to give the united nation legal permiion to monitor health problem around the world. Thi action i an example of:
A. An intergovernmental organization
B. A precription
C. A treaty
D. A mandate
Answer:
D. A mandate
Explanation:
The UN members gave an order(mandate) through the votes for the UN committee to monitor global health problems.
Hence, the answer is a mandate since a mandate is an official order to grant permission for something to be executed.
Based on the information, the action is an example of mandate. (Option D)
Usually in the UN context, a mandate is the decision that provides a body authority to carry out its functions. UN mandate refers to the long-term international mission which has been authorized by the United Nations General Assembly or the UN Security Council. UN mandates typically involve peacekeeping and welfare operations. An example of UN mandate is establishment of a peacekeeping mission and enumeration of the types of activities to be carried out by the mission. Hence, the members voting in 1948 to give the United Nation legal permission to monitor health problems around the world is an example of mandate.
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the mineralized remains of organisms and the rock layers in which they are found
Correct answer is :- Fossils
Fossils are the preserved remains, or remnants of remains, of extinct species. The organism itself is not what is left in a fossil. They're rocks. Both the entire creature and its component parts can be preserved as a fossil. Foliage, shells, feathers, and bones can all turn into fossils. It doesn't matter how big or small a fossil is. Only under a microscope can one see microfossils. Among the microfossils are bacteria and pollen. Several meters long and weighing several tons, macrofossils are enormous. Petrified trees or the bones of dinosaurs are examples of macrofossils.
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we consider both mineral resources and energy resources to be¬¬___resources, many of which have a geologic origin.
A valuable metallic or non-metallic mineral qualifies as a mineral resource. Halite, talc, gypsum, or haematite are a few examples. Factors of crystalline abundance and concentration.
The amount by which the metal has been concentrated over its typical crustal abundance to produce an ore deposit is known as the concentration factor. The two main groups of mineral resources are metallic and nonmetallic. Metals like Gold, Silver, Tin, Copper, Lead, Zinc, Iron, Nickel, Chromium, and Aluminum are examples of metallic resources. Resources that are not made of metals include sand, gravel, gypsum, halite, uranium, and dimension stone. recent fault-prone areas. -Areas that recently had volcanic activity. Dry, hot, shallow rock that could be heated by pumping water. A mineral is a naturally occurring substance having unique atomic structures, compositions, and chemical and physical properties. The meaning of A larger definition of an economic mineral comprises metals, rocks, minerals, and liquid and solid hydrocarbons that are taken from the soil by mining, quarrying, and pumping.
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Among cloud types, those that occur at the highest altitudes are the ___.
Cumulus
Altocumulus
Stratus
Cirrus
Stratocumulus
answer :
cirrus clouds.
at the beginning of the movie our hero prof. jack hall and his colleagues are found on the larsen b ice shelf in antarctica doing what?
Our protagonist, professor Jack Hall, and his colleagues are discovered on the Larsen B ice shelf in Antarctica while digging ice cores at the opening of the film. The right answer is C.
In the Weddell Sea's northwestern region, there is an extensive ice shelf called the Larsen Ice shelf. From Cape Longing to Smith Peninsula, it is extended. The Norwegian whaling ship that made the initial discovery of the Larsen Ice bore the name of its captain, Carl A. Larsen. In 1893, the Norwegian crew sailed close to the Ice front. Larsen A, Larsen B, and Larsen C are three distinct segments of the Larsen Ice Shelf. Originally, the ice shelf roughly spanned a bigger region, however because of factors including climate change the area it covered has been narrowed.
At the beginning of the movie our hero Prof. Jack Hall and his colleagues are foundon the Larsen B Ice Shelf in Antarctica doing what?
a.Studying the migration patterns ofpenguins
b.Collecting rocks
c.Drilling ice cores
d.Measuring the ocean temperaturesbeneath the ice
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how does a 1.2-solar-mass white dwarf compare to a 1.0-solar-mass white dwarf? A. It has a larger radius BuIt has a smaller radius C.It has a higher surface temperature. D.It has a lower surface temperature. E. It is supported by neutron, rather than electron degeneracy pressure.
Answer:
B. It has a smaller radius
Explanation:
The more mass the white dwarf is the more gravitational pressure that compresses it, making it shrink.
White Drawfs that exceed 1.4 solar masses turn into much smaller stars called neutron stars.
identify the pattern of changes in temperature and precipitation based on elevation.
As a result of the lower temperature and atmosphere at higher elevations being unable to keep in as much condensation, precipitation occurs considerably more often there, either as rain or snow.
What is precipitation ?Any liquid and frozen water that condenses in the atmosphere and falls to the ground is known as precipitation. Rain, and snow are its effects . Precipitation is one of the three main processes that make up the global water cycle.
Precipitation is highly impacted by elevation, particularly in mountainous areas. Precipitation is heavier on a mountain's windward side.
Every 1,000 feet of elevation gain results in a 5.4 degree Fahrenheit drop in temperature.
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Please answer fast
1. Identify and describe the different properties of minerals.
2. Explain why synthetic minerals are not minerals.
3. What is a mineralogist?
4. Why is limestone not a mineral?
describe the types of volcanic activity and associated volcanic hazards you would expect during an eruption of a cascade volcano such as rainier, hood
The Cascade volcanoes are composite volcanoes and erupt effusively.
The hazards of composite volcanoes consist of the preliminary pyroclastic going with the drift of expelled volcanic particles, which does harm to the on-the-spot area across the volcano and the temperature of which could soften accrued snow and ice, main to an event known as a lahar.Lahars are slurries of snow and ice mixed with expelled volcanic fabric that tour downstream from the volcano with sizeable unfavorable electricity and could smash any systems of their path (ex. bridges).Lahars are the finest danger posed via way of means of a destiny eruption of Mount Rainier - particles from a previous lahar resulting from an eruption at Rainier are understood to have traveled to Puget Sound.Another chance of those volcanoes is ashfall - airborne ash expelled at some stage in the eruption - which could smash systems below the burden of accrued ash, motive damage to engines and different uncovered shifting parts, or even show deadly to humans/animals if an excessive amount of ash is inhaled.Additionally, if the eruption and ensuing ashfall are severe enough, it has the capability to cause worldwide cooling - consisting of that visible after the eruption of Mount Pinatubo - because of sulfides withinside the ash reflecting sunlight.Subduction zones like the Cascades produce composite volcanoes - additionally known as stratovolcanoes - that erupt silica-wealthy andesite and rhyolite magmas.Due to the viscous nature of silica-wealthy magma observed at composite volcanoes like the ones withinside the Cascades, eruptions can be explosive if the magma consists of gas.To learn more about Mount Pinatubo,
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The average composition of the oceanic crust is thought to approximate that of ________.
A)granite
B)basalt
C)peridotite
D)iron
Answer: B)basaltic
Explanation:Basaltic ( a low silica igneous rock)
FILL IN THE BLANK. gas moves from an area of ________ partial pressure to an area of ________ partial pressure.
Answer:
gas moves from an area of _high_ partial pressure to an area of _low_ partial pressure.
scientists claim that south america was part of a large landmass called gondwana, which included antarctica and australia. which law or theory supports the claim?
Answer:
the continental drift theory
Explanation:
9. If you were to fly from Virginia’ capital to New York’, then from there to the capital of Wiconin, in which direction would you travel?
Answer:
Explanation:
First, You will Travel in NorthWest Direction.
is this statement true or false? the aegean sea is an arm of the mediterranean between turkey and greece. This part of True or False
- True
- False
1) Describe the formation process of igneous rocks.
2) What is a metamorphic series?
3) What is regional metamorphism?
4) What is the difference between low-grade and high-grade metamorphic rocks?
Answer:
1. Igneous rocks form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface.
2. Metamorphic series include the Barrovian and Buchan series of metamorphic rocks. George Barrow was a geologist in Scotland who discovered the Barrovian series.[1] These are also called metamorphic facies series. A metamorphic facies series is a sequence of metamorphic facies which plot in a temperature-pressure diagram along a line, and this line represents a certain geothermal gradient. They are not the same as metamorphic zones, as these are defined as a region on a geological map where the pressure-temperature conditions for an index mineral (a mineral that indicates the approximate metamorphic grade of a rock), were appropriate for these minerals to form.
3. Regional metamorphism is metamorphism that occurs over broad areas of the crust. Most regionally metamorphosed rocks occur in areas that have undergone deformation during an orogenic event resulting in mountain belts that have since been eroded to expose the metamorphic rocks.
4. Low-grade metamorphic rocks tend to be fine-grained (the newly formed metamorphic mineral grains that is). High-grade metamorphic rocks tend to be coarse-grained
what is the rock cycle? explain how one rock type can eventually become a different rock type over millions of years.
A rock cycle is a fundamental concept that shows the transitions among the three basic rock types (metamorphic, igneous and sedimentary).
The rock cycle is a fundamental geological concept that describes transitions through geologic time between the three major rock types: sedimentary, metamorphic, and igneous. When a rock type is forced out of its equilibrium conditions, it changes.
When exposed to the atmosphere, an igneous rock such as basalt may break down and dissolve, or it may melt as it is subducted beneath a continent. Rocks do not remain in equilibrium as they encounter new environments due to the driving forces of the rock cycle, plate tectonics, and the water cycle.
The rock cycle describes how the three types of rocks are related to one another and how processes shift from one type to another over time.
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1) where the days and nights are equal throughout the year
1)north_pole
2)south_pole
3)equator
Answer:
Equator
Explanation:
describe the major intraregional and interregional migration patterns within the united states in recent years.
Immigration slowed between the 1920s and the 1960s. During the Great Depression of the 1930s, there was little immigration, and in certain years, more individuals left the country than came. Following World War II, migration rose. Mexico overtakes other countries as the main supplier of immigration to the US in the 1980s.
Up until 2010, almost 75 million individuals immigrated to the US. The most significant intraregional and interregional movement trend in the US is labour migration due to immigration. Nearly 164 million workers moved around the world in 2017.
The nationwide pattern of high in-migration rates was evident in 2020–21, with the Midwest, Northeast, and South being notably affected.
What are intra-regional and inter-regional migration?Interregional migration is the movement of people from one region of a country to another, whereas intraregional migration is the movement of people inside the same region of a country. Furthermore, compared to intraregional migration, interregional migration is a substantially larger transfer.
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rocks formed from materials eroded from already existing rocks, from the evaporation of water, from the hard outer shells of marine organisms, or from decomposing vegetation are called
Rocks formed from materials eroded from already existing rocks, from the evaporation of water, from the hard outer shells of marine organisms, or from decomposing vegetation are called sedimentary rock.
Sedimentary Rock Formation ProcessThe process of forming sedimentary rocks involves four main processes, namely weathering, transportation, deposition, and compaction. The following is the process of formation of sedimentary rocks:
1. Weathering
Is the breakdown of rock, soil, minerals, and wood and man-made materials through contact with the Earth's atmosphere, waters, and biological organisms. Weathering occurs in place of origin with little or no movement.
Weathering involves the movement of rocks and minerals by agents, such as water, ice, snow, wind, waves, and gravity to be transported and stored in other locations. There are three important classifications of weathering processes, namely physical, chemical and biological weathering.
a. Physical Weathering, is a weathering process that involves direct contact with atmospheric conditions, such as heat, water, ice, and pressure.
b. Chemical weathering is weathering due to the direct effects of atmospheric chemicals or biologically produced chemicals.
c. Biological Weathering, is weathering caused by living things and caused by the processes of animal, plant and human organisms.
2. Transportation
The process of transporting material from the place of origin to the place of deposition. This process requires transportation agents in the form of gravity, wind, glaciers, and water.
3. Precipitation
Sedimentation is the geological process when sediments resulting from weathering processes or soil and rock are added to a lower lying area transported by wind, glaciers, water, and gravity.
4. Compaction and Cementation
Compaction occurs when sediments are buried deeply, placing them under pressure due to the weight of the layer above them.
Meanwhile, cement is a new mineral that attaches to sediment grains like cement binds sand grains to building materials.
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which important city in the southeast asian realm is located close to the vitally important strait of malacca?
Hong Kong is an important city in the southeast Asian realm is located close to the vitally important strait of malacca.
Southeast Asia, also spelled South East Asia and South-East Asia, and also called Southeastern Asia, South-japanese Asia or SEA, is the geographical south-eastern vicinity of Asia, together with the regions which might be located south of mainland China, east of the Indian subcontinent, and north-west of mainland Australia.[5] Southeast Asia is bordered to the north by using East Asia, to the west with the aid of South Asia and the Bay of Bengal, to the east with the aid of Oceania and the Pacific Ocean, and to the south by Australia and the Indian Ocean.
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if an organism contains 600g of carbon- 14 in its tissues when it dies, how many grams of carbon-14 would remain after 5 half lives show your work to earn full credit
Answer:
The half-life of carbon-14 is 5730 years, so after 5 half-lives, 5*5730 = 28,650 years will have passed.
The decay of carbon-14 follows an exponential decay curve, so after 5 half-lives, the amount of carbon-14 left will be 1/32 of the original amount.
Therefore, after 5 half-lives, the amount of carbon-14 left will be 1/32 * 600g = 18.75g.
This is the final answer.
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