Descibe the internal structure of the earth

The earth is made up of 3 main layers

1. Crust

2. Mantel

3. Core

Crust :- We live on the outer part of the Earth which is called crust. This layer goes up to a depth of 30-100 km.s. The crust mostly consists of various kinds of rock.

Mantel :- it is 100- 2900kms in thickness. The upper part of the mantle is a pliable layer over which crust floats. This consist of mainly of chemicals called silicates.

Core :- The core is 2900-6376 km.s in thickness. it is composed of dense and heavy substance like iron and nickel.

1."lessen the worth of ."

2."increase the worth of."

3." beyond the worth of."

4."against the worth of ."