Available Answers

1. 1.

   Mention the methods through which we come to know about the interior of the Earth.

2. 2.

   What are the different layers of the Earth?

3. 3.

   How do the layers of the Earth differ from each other?

4. 4.

   What is the rate of the increase of temperature in the interior of the Earth?

5. 5.

   What is the composition of the crust?

6. 6.

   Distinguish between the sial and sima.