Question

How r continental plates gormed and destroyed

Answer 1

Magma rises into and through the other plate, solidifying into new crust. Magma formed from melting plates solidifies into granite, a light colored, low-density rock that makes up the continents. Thus at convergent boundaries, continental crust, made of granite, is created, and oceanic crust is destroyed.

Answer 2

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• According to geologists continents and oceans are actually situated on massive base of rocks called plates, that are floating on the mantle.

• Continental plates are formed due to the activities like sea floor spreading in which the lava raising up from the mantle are hardened into rock creating new rocks.

• These plates are constantly pushed and therefore keep moving slowly.

• This movement of plates is called plate tectonics.

• While this movement continues, they pushes/collide each other, a lot of pressure is excreted by each of them on the other.

• The plate thus going under into the mantle becomes molten.

• It actually pulls the rest of the plate in to the mantle. Thus the plate is destroyed.

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Q:- What are the different processes through which the surface of earth form? Write them?

• The tectonic plates in crust , wind and water erosion and deposition.

Q:- What are 7 major continental plains?

• Antarctic plate

• Eurassian plate

• Indo-australian plate

• North American plate

• Pacific plate

• South American plate

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