Differences in the temperature and pressure within the inner core causes convection currents in the molten metal.
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Convection currents in the liquid metal are caused by variations in temperature, pressure, and chemical composition in the outer core of the earth, and the spinning of the earth causes the liquid metal to whirl, generating electric currents and, ultimately, a magnetic field.
In the inner core, there are no convection currents. This is due to the fact that even at the high temperatures present there, the material in the inner core is under such intense pressure that it is solid. The result of differential heating is convection currents. Warm, lighter (less dense), and rising matter rises while cool, heavier (more dense), falling matter sinks. Convection currents are the circulation patterns that are produced by this movement in the Earth's atmosphere, water, and mantle.To know more about convective currents here
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Related Questions
pacific island named for the holiday on which it was discovered
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Easter Island,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
The major mountain chains of Southern Europe include the _____________. A. Apennines, Adriatic, and Ionian B. Black, Pyrenees, and Alpines C. Alps, Pyrenees, and Apennines D. Tiber, Po, and Mediterranean
Answers
Answer:
C
Explanation:
Adriatic, Ionian, Black, and Mediterranean are all seas. Tiber and Po are rivers in Italy.
What is a shape with 4 sides 2 right angles and 1 pair of parallel lines?
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A trapezoid has 4 sides, 2 right angles and 1 pair of parallel lines
In American and Canadian English, a quadrilateral having at least one set of parallel sides is referred to as a trapezoid. It is referred to as a trapezium in British and other varieties of English. In Euclidean geometry, a trapezoid is a convex quadrilateral by definition. The bases of the trapezoid are the parallel sides.
An open, flat object with four straight sides and one set of parallel sides is referred to as a trapezoid or trapezium. A trapezium's non-parallel sides are referred to as the legs, while its parallel sides are referred to as the bases. The legs of a trapezium can also be parallel.
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Four sides, two right angles, and one pair of parallel lines make up a trapezoid.
A quadrilateral with at least one set of parallel sides is referred to as a trapezoid in American and Canadian English. In British and other versions of English, it is known as a trapezium. A trapezoid is a convex quadrilateral by definition in Euclidean geometry. The parallel sides serve as the trapezoid's bases.
A trapezoid or trapezium is an open, flat shape with four straight sides and one set of parallel sides. The parallel sides of a trapezium are referred to as the bases, and the non-parallel sides are known as the legs. A trapezium can also have parallel legs.
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what is the best definition of conservation? group of answer choices setting aside land and natural resources. careful management of land and resources. using land and natural resources based on current needs. protecting land and natural resources from human activity.
Answers
Answer:
Protecting land and natural resources
Explanation:
: a careful preservation and protection of something. especially : planned management of a natural resource to prevent exploitation, destruction, or neglect. water conservation. wildlife conservation.
Scenario #2 Aruba
Aruba is a Caribbean Island off the coast of Venezuela Aruba has an area of 75 square miles.
Because of the dry and rocky terrain, most food must be imported. The island was "discovered"
in the second half of the twentieth century by vacationers. Now tourism dominates the economy.
Hotels are privately owned as are the restaurants. The government spends a lot of money trying
to attract visitors to the island. The Smith family is going to spend two weeks on vacation in
Aruba They will enjoy the beaches, water sports, the sunny weather, great food, and many
other exciting activities.
What economic system is exemplified in Aruba?_
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Aruba's economy is an open system, with tourism currently accounting for the majority of the country's income.
What is Aruba's main industry?
Tourism and leisure are Aruba's primary industries, accounting for more than 80% of our GDP. Hotels, watersports, transportation, restaurants, and entertainment are just a few examples of this vital industry.
The Caribbean countries have open economies because they rely heavily on international trade with other countries around the world. Because of the rapid growth of tourism in the last 80 years, related industries such as construction have thrived in Aruba.
Therefore, Aruba's economic growth relies heavily on tourism activity: the sector accounts for about 90% of GDP and 80% of employment.
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which of the new england states has the longest cape extending into the atlantic ocean
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Cape Cod is a hooked, sand-covered, glacial peninsula that occupies the majority of Barnstable County in southeast Massachusetts.
Cape Cod is 105 miles (165 km) long and stretches 65 miles (105 km) into the Atlantic Ocean. It is bordered by Buzzards Bay to the west, Vineyard and Nantucket Sounds to the north, and Cape Cod Bay to the north and west (south). The islands of Martha's Vineyard and Nantucket are to the south, while the Elizabeth Islands are to the southwest. The Cape Cod Canal, which separates the peninsula from the mainland and is 17.5 miles (28 km) long, lowers the shipping route between New York City and Boston by more than 75 miles (120 km).
Bartholomew Gosnold, an English adventurer who travelled to Cape Cod in 1602 and brought aboard a "large stock of codfish," gave the region its name. Before travelling to Plymouth, the Pilgrims arrived in Provincetown in 1620, which is located on Cape Cod's hooked point.
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The entirety of Barnstable County in southeast Massachusetts is taken up by Cape Cod, a hooked, sand-covered, glacial peninsula.
Cape Cod reaches 65 miles (105 km) into the Atlantic Ocean and is 105 miles (165 km) long. Buzzards Bay, Vineyard, and Nantucket Sounds, as well as Cape Cod Bay, form its western, northern, and western borders (south). The Elizabeth Islands are to the southwest, and Martha's Vineyard and Nantucket are to the south. The Cape Cod Canal, which is 17.5 miles (28 km) long and divides the peninsula from the mainland, shortens the maritime route between New York City and Boston by more than 75 miles (120 km).
The area received its name from Bartholomew Gosnold, an intrepid Englishman who visited Cape Cod in 1602 and returned back a "great quantity of codfish." The Pilgrims arrived in Provincetown, on Cape Cod's hooked point, in 1620 before setting out for Plymouth.
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which of the following is the smallest
1:35 000
1:50 000
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Answer: without the maps it is hard but I am pretty sure that it would be 1:35000.
Explanation: When using scale maps you have to calculate so it is hard without an example of the map.
Sorry if its wrong
high- and low-pressure areas leading to air movement happen when there are differences in which factor? responses atmosphere atmosphere precipitation precipitation density density clouds clouds
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High and low-pressure areas leading to air movement happen when there are differences in the factor of density.
Density plays a major role in the formation of high and low-pressure areas that lead to air movement. Density is the measure of the mass of a substance per unit volume of space. It is affected by temperature and pressure. When two air masses with different densities interact with each other, the denser air mass pushes the lighter air mass upwards.
This creates an area of low pressure at the surface and a region of high pressure aloft. This pressure difference generates wind, which is the air movement that results from the higher and lower pressure areas. In the absence of differences in temperature and pressure, air masses will not move.
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High and low-pressure areas leading to air movement happen when there are differences in which factor? A)Density
B)Clouds
C)Precipitation
D)Atmosphere
what is important to remember when looking at the direction in which a river flows?
Answers
Answer:
The flow
Explanation:
If you want to determine whether the direction of the river you need to figure out where the river is going how do you do that?
You can figure out the flow of the river by looking at it at seeing how it flows. To make it even more easier is by looking at a waterfall ( I think you would know the direction. ) It is much easier to look at the flow on how it is going it is very easy to do..
Answer:
The flow
Explanation:
If you want to determine whether the direction of the river you need to figure out where the river is going how do you do that? By the flow.
what may occur when convergent boundaries interact?formation of island chainscreation of mid-ocean ridgescreation of convection currentsformation of rift valleys
Answers
When convergent boundaries interact, the formation of island chains happens.
The correct option is A.
When two plates clash, they are referred to be convergent boundaries. One plate may come out from under the other plate, or both plates may go upside down.
An area where two plates converge is referred to as a convergent border. The borders of one or both colliding plates may bow up into mountain ranges as a result of the impact, or one plate may bend downward into a deep undersea trench.
For three distinct types of landforms, convergent borders collide. Ocean-ocean is one of the categories.
Ocean-ocean
Ocean-continent
Continent-continent
Convergent boundaries interact to form an island chain. A heated plate releases lava and creates volcanic explosions when it slides over another plate.
The creation of island chains involving the interaction of convergent borders is hence option A.
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Island chains are created when convergent borders intersect.
Convergent limits are created when two plates collide. Both plates might turn upside down or one could emerge from beneath the other.
A convergent boundary is a location where two plates meet. One or both of the colliding plates' boundaries may bow upward into mountain ranges or downward into a deep undersea trench as a result of the collision.
Convergent boundaries collide for three different types of landforms. One of the categories is ocean and ocean.
Ocean-ocean
Ocean-continent
Continent-continent
Convergent boundaries interact to form an island chain. A heated plate releases lava and creates volcanic explosions when it slides over another plate.
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estuaries are productive ecosystems because they constantly receive nutrients from
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Estuaries are highly productive ecosystems because they are constantly receiving nutrients from the land. These nutrients come from runoff from agricultural and urban areas, as well as from rivers and streams that flow into the estuary.
This influx of nutrients gives estuaries a high level of biological productivity, which is why they are often home to a wide variety of aquatic plants and animals. The nutrients also support the growth of algae, which provides food for a variety of organisms. Estuaries are also important nursery grounds for many species of fish, and they provide critical habitat for many species of birds and other wildlife.
Estuaries are productive ecosystems because they constantly receive nutrients from The river.
Estuaries are bodies of water where fresh water from rivers and streams mixes with the saltwater of the ocean. They form in coastal areas where the land meets the sea. Estuaries are important habitats for fish, birds, and other wildlife, providing them with food, shelter, and breeding grounds. Estuaries are also important for human activities such as fishing, transportation, and recreation.
Estuaries are typically nutrient rich due to the mixing of fresh and salt water, which supports a variety of aquatic life. The plants and animals of estuaries are adapted to fluctuating salinity levels, and they help to maintain the balance of the environment. Estuaries are also important for filtering pollutants and maintaining water quality, as the mixing of water helps to dilute pollutants.
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Which description explains why there are two spring tides per month? OEarth moves closer to the sun and moon twice a month. OEarth revolves around the tidal bulges created by gravitational forces. O Earth rotates in and out of a tidal bulge created by gravitational forces. OEarth, the moon, and the sun are aligned twice a month.
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Answer: Earth rotates in and out of a tidal bulge created by gravitational forces. Earth revolves around the tidal bulges created by gravitational forces.
what do the author think that people get out of industry progessing
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The author thinks that as the industry progresses, the people would have to sink more and more into poverty.
What does it mean for industry to progress?Industry progress generally refers to the advancements and improvements that are made in the fields of technology, production, and management that increase efficiency, productivity, and competitiveness. Progress in industry can manifest in various ways, including:
Technological advancements: Industry progress often involves the introduction of new technologies, such as automation, robotics, and artificial intelligence, which can increase efficiency and productivity.
Increase in productivity: Industry progress can also be seen in an increase in the output of goods and services, which can be achieved through improved processes, equipment, and management.
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group in which iceland is the only member without an army
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The solution to the Group in which Iceland is the only member without an army crossword clue should be: NATO
Iceland has no active military. The most apparent factor is Iceland's small population, which makes it prohibitively expensive to maintain a strong military. The Icelandic Coast Guard is equipped with small weapons, marine artillery, and air defence radar sites to maintain Iceland's defences.
Iceland lacks a military, making it apart from other NATO Allies. The pacifist heritage of Iceland, which predates the nation's independence from Denmark in 1944, is something that Icelanders have long been proud of. Therefore, it was debatable whether to become a founding member of the Alliance in 1949.
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The answer to the crossword puzzle involving the group of which Iceland is the only member without an army is: NATO
Iceland has no standing army. Iceland's small population, which makes it prohibitively expensive to maintain a potent military, is the most obvious issue. To maintain Iceland's defenses, the Icelandic Coast Guard is armed with small arms, marine artillery, and air defense radar stations.
Iceland differs from other NATO Allies in that it has no military. Icelanders have long been proud of their country's pacifist past, which dates back before their independence from Denmark in 1944. As a result, the decision of whether to join the Alliance as a founding member in 1949 remained uncertain.
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evidence indicates that life arose relatively early in earth's history. what can we infer from this fact?
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Answer: That we have Evolved far in our time on this Planet. But we are also one of the Youngest species on Earth reletive to time on the planet compared to say, the Dinosaurs.
sallys teacher asked her to classify the organisms in a sample of pond water. sally believed that they all belonged in the same kingdom but there were both unicellular and multicellular organisms. sally could be correct. the organisms could belong tom the kingdom...
a. protista
b. animalia
c. plantae
d. fungi
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In a case whereby Sallys teacher asked her to classify the organisms in a sample of pond water. sally believed that they all belonged in the same kingdom , sally could was incorrect. the organisms could belong to A. protista.
What is a protista?The Protista are a vastly complex order of eukaryotic creatures, most of which are unicellular. The majority of terrestrial, aquatic, and marine ecosystems contain them in both free-living forms and as parasites of other protists, fungi, plants, and animals. They have a wide variety of morphological features.
Any eukaryotic organism that is not an animal, plant, or fungus is referred to as a protist. The absence of other eukaryotes means that protists do not constitute a natural group, or clade, even though it seems likely that they all descended from a common ancestor.
Therefore, option A is correct.
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European Regions Research-
Region: Russian Core
I need the Climate/Physical Geography of the Russian Core.
(*be sure to include HOW they have influenced settlement in the area*)
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Answer:
The Russian Core region is located in the heart of Russia and encompasses the vast expanse of the Russian Plain, also known as the East European Plain. The region is characterized by a temperate continental climate, with long, cold winters and short, warm summers. The average temperature in January ranges from -12 to -20 degrees Celsius, while in July it ranges from +15 to +20 degrees Celsius.
The Russian Plain is a flat, low-lying area, with few natural barriers to human settlement. The main physical feature of the region is its vast expanse of fertile black soil, which is ideal for agriculture. The region is also crisscrossed by major rivers such as the Volga, which has played an important role in the development of transportation and trade.
The climate and physical geography of the Russian Core region have played a significant role in the settlement of the area. The long, cold winters and short, warm summers have had a significant impact on the types of crops that can be grown in the region. The fertile black soil and the presence of major rivers have made agriculture the mainstay of the region's economy, and many villages and towns in the region have developed around agricultural production. The flat and open landscape also made it relatively easy for people to move into the region and settle, which is why it has a high population density.
In summary, the Russian Core region is characterized by a temperate continental climate and a flat, low-lying physical geography. The fertile black soil and the presence of major rivers have played an important role in the settlement of the area, making agriculture the mainstay of the region's economy and the reason for high population density.
Briefly explain how tectonic activity has shaped the North African landscape. Provide an example of a land formation that illustrates its effects.
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Tectonic activity has played a significant role in shaping the landscape of North Africa.
The continent of Africa sits on the African Plate, which is slowly moving northwards and colliding with the Eurasian Plate. This collision has resulted in the formation of the Atlas Mountains, which run through Morocco, Algeria, and Tunisia.
The collision also caused the formation of the Mediterranean Sea, as the African Plate has been pushing upward and forming mountain ranges.
An example of a land formation that illustrates the effect of tectonic activity in North Africa is the Great Rift Valley.
This valley, which runs through several countries in East Africa, including Ethiopia and Kenya, was formed as a result of the separation of the African Plate into multiple plates, resulting in the formation of a rift valley.
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Describe how the temperatures changed during the year.
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Explanation:
Since 1896, average winter temperatures across the contiguous 48 states have increased by nearly 3°F. Spring temperatures have increased by about 2°F, while summer and fall temperatures have increased by about 1•5°F.
alt marhe are area in etuarie that are filled with alth water during __________ and are drained dureing _____________
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Salt marshes are areas in estuaries that are filled with seawater during high tides and are drained during low tides.
Seawater brought in by the tides floods and drains salt marshes, which are coastal wetlands. Narragansett Bay National Estuarine Research Reserve contains a salt marsh. The tides flood and drain salt marshes, which are coastal wetlands.
A marshy area found close to estuaries and sounds is known as a salt marsh. In salt marshes, the water can range from freshwater to entirely salty. Estuaries are partially protected locations close to river mouths where freshwater and seawater combine. Estuaries and salt marshes are also impacted by high and low tides.
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temperature of 30°C is equal to
Answers
Hope this helps :)
what are basic industries?Give examples
Answers
Basic industries are an industry that focuses on the production of products and services for export, not on domestic sales and circulation. These industries play a key role in their regional economies and sometimes occupy an outsized share of the market share. For example: fertilizer industry, fish processing and preservation industry, food and beverage industry.
What are Basic industries?
Basic industries are an industry that focuses on the production of products and services for export, not on domestic sales and circulation. The basic industrial groups are divided into two, the first includes the Machinery and Basic Metal Industries which are included in this group, includes the agricultural machinery industry, electronics, trains, airplanes, motor vehicles, steel, aluminum, copper, and so on. The second group is the Basic Chemical Industries, which is included in this group are the wood and natural rubber processing industries, the pesticide industry, the fertilizer industry, the silicate industry, and so on. The basic industry has the aim of increasing economic growth, helping the industrial structure and being capital intensive and encouraging the creation of large employment opportunities.
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HURRRY HELPPPPPPP ME
Answers
Answer:
14. amazon river
15. Pacific Ocean
16. Orinoco River
17. Strait of Magellan
18. Lake Titicaca
19. Caribbean Sea
20. Parana River
21. Atlantic Ocean
22. Strait of Magellan
23. Atlantic Ocean
what three countries in europe have the lowest overall population density
Answers
Answer:
The Nordic states of Iceland, Norway, and Finland all have the lowest population densities of any European country.
Through which capital cities would a person pass if they traveled directly from Astana to Afghanistan?
Answers
A person traveling directly from Astana, Kazakhstan to Afghanistan would not pass through any capital cities.
Astana is the capital city of Kazakhstan, and Afghanistan is a country located to the south of Kazakhstan. There are no countries between the two that have a capital city through which a direct route would pass.
The most direct route would likely involve flying or driving through rural areas of Kazakhstan and then crossing the border into Afghanistan. Depending on the specific location in Afghanistan that the person is traveling to, they may pass through various cities and towns, but none of these would be a capital city as Afghanistan is composed of 34 provinces each one of them has its own capital.
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the primary source of water for a stream is from runoff, and this is called a .
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The primary source of water for a stream is from runoff, and this is called surface runoff.
Surface runoff is water that flows over the land surface and into the stream. Surface runoff is a major component of the hydrologic cycle, and it is the main source of fresh water for many streams, rivers, and lakes. Surface runoff is generated from precipitation, melting snow and ice, or from irrigation and other human activities.
Surface runoff is an important source of water for many ecosystems, and it is essential for maintaining a healthy aquatic environment. In addition to providing fresh water to streams and rivers, surface runoff also helps to replenish groundwater supplies, recharging groundwater aquifers and providing water for wells and springs.
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For centuries, explorers, missionaries, and others gave accounts of different cultures that they encountered around the world. Anthropologists continued this tradition with formalized approaches to data collection and analysis.Place the following descriptive accounts of other cultures in order from first to most recent.
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Herodotus visits Egypt, Persia, and the region that is now Ukraine. Marco Polo travels the Silk Road from Italy to China. The arrival of Christopher Columbus in the Americas. In Puerto Rico, Julian Steward performed fieldwork.
Early anthropologists depended on other people's written descriptions and opinions while researching people from distant civilizations. These researchers were not in close proximity to the subjects they were researching. Armchair anthropology is the term that has emerged to describe this strategy.
The term "armchair anthropology" describes the straightforward manner in which anthropologists in the 19th century carried out their research as well as their attitude toward their subjects as inferior to them since they were not white. Karl Marx, Emile Durkheim, and Lewis Henry Morgan are a few examples of amateur anthropologists.
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Herodotus travels to places including Egypt, Persia, and what is now Ukraine. Marco Polo journeys along the Silk Road from China to Italy.
The coming to the Americas of Christopher Columbus. Julian Steward conducted fieldwork in Puerto Rico.
Early anthropologists relied on the written descriptions and judgements of other people while studying individuals from far-off cultures. These scholars were far from the subjects they were looking at. The phrase that has arisen to characterize this tactic is "armchair anthropology."
Armchair anthropology refers to both the easy research methods used by anthropologists in the 19th century and their attitude regarding their subjects as inferior to them because they were not white. Several examples are Lewis Henry Morgan, Emile Durkheim, and Karl Marx.
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If a fault line is dotted or dashed, this means _____.
the fault is under the surface
the fault is either a reverse or strike-slip fault
the fault rises above sea level
the fault is near train tracks
Answers
If a fault line is dotted or dashed, this means the fault is under the surface.
What are fault lines?A fault line is a substantial break in the earth's surface. Along fault lines, earthquakes frequently happen. A fault line in a system or process refers to a section that appears frail and is likely to experience issues or fail.The development of a fault results in the establishment of a fault line. The tectonic plates that make up the Earth's crust are hanging over a rock mantle. The force brought on by the shifting of these tectonic plates causes the surface rocks to fracture.In the earth's crust, faults are movement-causing fractures. These might be very big (like the actual tectonic plate borders) or very small.Learn more about Fault line refer to ;
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Reliance on cash crops hurt Africas economy because:
1) Africa has few natural resources
2)African nations were not producing enough to export
3)when prices dropped,nations had no alternative sources of income
4)African people had no experience with farming
Answers
The reliance on cash crops hurt Africa's economy because 3) when prices dropped, nations had no alternative sources of income.
Why is Africa reliant on cash crops ?Africa is reliant on cash crops for several reasons. One reason is that many African countries have economies that are heavily dependent on agriculture, and cash crops such as coffee, cocoa, and cotton are some of the most profitable crops to grow.
Additionally, many African countries have been historically dependent on exporting cash crops to developed countries in order to earn foreign currency and pay off debts.
As a result, when the prices of these cash crops fall globally, African economies tend to suffer.
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How old something is in comparison to something else. The age of undisturbed rocks can be determined by examining later sequences. The later of disturbed rocks may have to be determined by fossils or other clues. Describes the age of 1 rock layer in comparison to another. Determined by looking about rock layers and fossils. Example: the rock lover in the earth is usually older than the one at the top of the mountain because of superposition.
Answers
According to their relative position—younger rocks are placed on top of older rocks—relative age dating is used to identify whether a rock layer or the fossils contained within it are older or younger than another.
In order to ascertain the relative age of a layer of sedimentary rock, scientists employ a fundamental concept known as the Law of Superposition. According to the Law of Superposition, a sedimentary rock layer that has not been deformed is older than the layers above it and younger than the layers below it.
Radiometric dating, which considers the ratio of two distinct isotopes in a sample, establishes the age of rocks. Geologists may estimate the age of a material using tools like this thermal ionisation mass spectrometer because radioactive isotopes degrade over a predictable period of time.
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Relative age dating determines whether a rock layer or the fossils contained within it are older or younger based on their relative position—younger rocks are placed on top of older rocks.
Scientists use a basic idea known as the Law of Superposition to determine the relative age of a layer of sedimentary rock. A sedimentary rock layer that has not been distorted is older than the layers above it and younger than the layers below it, according to the Law of Superposition.
Rocks' ages are determined through radiometric dating, which takes into account the ratio of two different isotopes in a sample. Geologists can use tools like these to determine a material's age. mass spectrometer for thermal ionization.
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