Question

the earth comprises of three main regions namely​

Answer 1

here's ur answer dude

The earth is made up of three different layers: the crust, the mantle and the core.

hope it helps

Answer 2

The Earth has three main layers namely

1. The core

2. The mantle

3. The crust

further it can be divided as

1. The inner core and outer core

2. The upper mantle and lower mantle

3. The continental crust and oceanic crust