Question

know the information about the earth crust and shows the solution for it's maintenance​

Answer 1

Answer:

The crust of Earth is of two distinct types: Oceanic: 5 km (3 mi) to 10 km (6 mi) thick[2] and composed primarily of denser, more mafic rocks, such as basalt, diabase, and gabbro. Continental: 30 km (20 mi) to 50 km (30 mi) thick and mostly composed of less dense, more felsic rocks, such as granite.

Explanation:

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