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what does A continental shield result from
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Asked 1/15/2013 9:33:05 AM
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User: what does A continental shield result from





Weegy: continental shield, any of the large stable areas of low relief in the Earth’s crust that are composed of Precambrian crystalline rocks. [ The age of these rocks is in all cases greater than 540 million years, and radiometric age dating has revealed some that are as old as 2 to 3 billion years. Shield areas in general are regarded as continental nuclei, the observation often being made that most continental shields are bordered by belts of folded rocks of post-Precambrian age. ]
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User: Answer the formation of mountains and their subsequent erosion at convergent plate boundaries, the subduction of oceanic lithosphere under continental lithosphere, or the partial melting of magma under a continent

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. The most important part of traditional Chinese society is the idea of the: - Family - Government - Open trade policies with the West
Weegy: Sequence of development would be the order in which the development happens and the rate of development is the speed at which development happens. The difference is important because speed does not necessarily have to do with the sequence. User: . The most important part of traditional Chinese society is the idea of the: a- Family b- Government c- Open trade policies with the West Weegy: a- Family User: Throughout the 1500’s, China practiced a policy of ____________ that limited trade with European countries. - Communism - Isolationism - Capitalism (More)
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Updated 303 days ago|11/22/2020 1:28:10 PM
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At the beginning of the 1500s, China had an isolationist trade policy that limited trade with European countries.
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During Mogul rule in India, Shah Jahan built the Taj Mahal to: - Commemorate his wife who died giving birth to their 14th child - Make Christianity the main religion of India - To stop exploration in India
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Asked 1/14/2013 10:08:23 AM
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The stable platform has developed from a series of Answer: A. mountain belt erosion followed by isostatic adjustment B. volcanic eruptions that deposit thick layers of lava followed by periods of metamorphism C.rising and falling sea levels and their accompanying cycles of sediment deposition
Weegy: C. rising and falling sea levels and their accompanying cycles of sediment deposition User: The Hawaiian Islands are evidence that Answer: A. the crust there has progressively moved over a fixed hotspot B. plate convergence is taking place in the Pacific Ocean C. mantle plumes can move over time Weegy: A. the crust there has progressively moved over a fixed hotspot User: A continental shield results from Answer A. the formation of mountains and their subsequent erosion at convergent plate boundaries B. the subduction of oceanic lithosphere under continental lithosphere C. the partial melting of magma under a continent Weegy: A continental shield results from the formation of mountains and their subsequent erosion at convergent plate boundaries. (More)
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Asked 1/15/2013 9:40:22 AM
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Which statement is true about the difference between oceanic and continental crust? Answer: A. Continental crust is less dense than oceanic crust. B. Continental crust is made of heavier minerals than oceanic crust. C. Continental crust is generally younger than oceanic crust. D. Continental crust contains less sediment than oceanic crust
Weegy: Which statement is true about the difference between oceanic and continental crust? Answer: A. Continental crust is less dense than oceanic crust. User: What process powers the movement of tectonic plates? Describe how this process works Weegy: Not sure what you're exactly looking for, but I'm thinking it's the asthenosphere. The asthenosphere is a thin layer between the crust and the mantle on which the tectonic plates slide/move over. But, [ you are probably looking for the term differentiation. This is where cold, heavy material sinks and hot, light material rises. Oceanic crust is far more dense (or heavier) than continental crust, which is why it sinks, or slides UNDER continental crusts during subduction. This is because oceanic crusts contain a LOT of heavy elements, and continental crusts contain a lot of gaseous, silicic minerals with relatively less dense elements. When the crust reaches a certain depth, it melts from the internal heat and external pressure and melts. Warm masses expand, making them less dense and therefore desire to rise to the surface. Basically: HEAVY MATERIAL SINKS and LIGHT MATERIAL RISES. Also, while the oceanic crust is closer to the mantle and under far more pressure than continental crusts because of it's depth, it is still very, very cold. Well, the sun's heat doesn't reach thousands of feet below the surface, so the temperatures are frigid down there. ] (More)
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Asked 1/15/2013 12:03:32 PM
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Asked 1/19/2013 11:27:55 AM
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