Question

3. The uppermost layer of the earth's crust is called​

Answer 1

Answer:

The uppermost layer of the earth's crust is called Lithosphere.

Answer 2

Answer:

The uppermost layer of the earth crust is called crust. It is the thinnest layer of all the layers. It is about 35 km on the continental masses and only 5 km on the ocean floors. Main mineral constituents of continental mass are silica and alumina. Thus called sial. Oceanic crust are silica and magnesium. Thus called sima