Geography

Geography, 29.06.2019 05:30, genyjoannerubiera

Choose all the answers that apply. the earth's crust: is one solid land mass is broken into pieces has seven main plates is mostly made of iron and nickel is mostly made of silicon dioxide

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Geography, 15.07.2019 01:30, lovelylife7553

Which statements about plate tectonics and subduction are true? check all that apply. earth's plates are caused by subduction. in subduction, one plate slides under another. earth's plates carry both water and land. two plates meet at a plate boundary. earth's crust is broken into large pieces called continents. in subduction, plates move apart from each other?

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Biology, 04.08.2019 11:30, kezin

How plates affect our planet: structure of the earth imagine you could travel from one point on earth straight through the center of the planet and out the other side. your journey would be nearly 12,870 kilometers (8,000 miles). along the way, you’d pass through all of earth’s layers: crust, mantle, and core. the crust is the rocky surface of the earth is a thin outer shell, much thinner than the other layers. the land that we see, or continental crust, is about 30 kilometers (19 miles) thick. the earth's crust and the top part of the mantle are broken into ten large plates and many smaller ones. most plates are made of both continental and oceanic crust. the crust floats on a thick layer of rock, almost 100 times thicker than continental crust called the mantle. the solid rock is not like the rock we know. extreme heat makes it move in circles. it flows very, very slowly, but it is enough to cause the plates above it to move over long periods of time. the plates move about 8 centimeters (3 inches) per year. the core is made of a liquid metal outer core that flows around a solid metal inner core. the motion in the outer core creates a magnetic field around the earth. it is the same field that makes a compass work! the core gives off incredible heat, which is one of the driving forces that causes the mantle to flow. compare and contrast earth’s mantle and crust. cite evidence from the text and use at least 2 complete sentences.

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Biology, 30.08.2019 01:00, nails4life324

What is the best description of the composition of the earth’s crust? one solid stagnant land mass several broken plates in motion multiple layers of different composition s 2 solid plates constantly moving away from each other

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