Question

why is there a discontinuity in the enterior of the earth

Answer 1

Earth’s interior is composed of several materials that are distinct from each other.

It is divided into three layers composed of different materials with distinct physical and chemical properties.

The main reason for the discontinuity in the earth’s interior is due to the transition zones in different layers of the earth.

Answer 2

There is difference between the elements temperatures and the pressure found in the three parts of the interior of the earth viz. Crust, Mantle and Core. In the interior of the earth, the transitional area are found between

(a) Continental Crust and Oceanic crust.

(b) Crust and Mantle.

(c) Upper Mantle and Lower Mantle.

(d) Mantle and Core.