Question

Earth’s outer layer rock is called as __________

(a) Mantle

(b) Crust

(c) Outer core

(d) Asthenosphere

The question was posed to me by my college director while I was bunking the class.

I'd like to ask this question from Geothermal Energy in chapter Ocean Energy & Geothermal Energy of Energy Engineering

Answer 1

Right choice is (b) Crust

Easy explanation: Earth’s crust is Earth’s hard outer layer. It is less than 1% of Earth’s volume. The crust is made up of different types of rocks: igneous, metamorphic, and sedimentary rocks. Crust is also called as lithosphere.