GEOLOGY

Detailed explanation-1: -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.

Detailed explanation-2: -Some of the main characteristics of the Earth’s crust, mantle, and core are: The crust is solid and has mass and volume. It is composed of basaltic rock beneath most oceans and granitic rock with less sedimentary rocks and metamorphic rocks. It is a thin layer covering the outermost shell of the planet.