Question

What ate the two parts of the crust? What is the basis of classification?
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Answer 1

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Earth's crust is divided into two types: oceanic crust and continental crust. The transition zone between these two types of crust is sometimes called the Conrad discontinuity. Silicates (mostly compounds made of silicon and oxygen) are the most abundant rocks and minerals in both oceanic and continental crust.

Answer 2

Answer:

The two parts of the earth's crust are oceanic, continental. Oceanic and Continental crusts both shift and move. Their composition is however different. Since the continental crust is made of granite and is less dense than the oceanic crust, they are a bit elevated.