Question

why are there discontinuities in the interior of the earth​

Answer 1

Answer:

The discontinuities in the interior are boundaries between crust, mantle, and inner core. ... Discontinuities are formed due to variation in the composition of the earth's interior at different layers. Each of these layers consists of materials having a distinct composition, physical and chemical properties.

Answer 2

Answer:

The discontinuities in the interior are boundaries between crust, mantle, and inner core. ... Discontinuities are formed due to variation in the composition of the earth's interior at different layers. Each of these layers consists of materials having a distinct composition, physical and chemical properties.