Question

1. Why does the temperature increases as we go down?
2. Give reason: why does Sial float on Sima.
3.Distinguish between Sial and Sima.​

Answer 1

Answer:

3 answer is :the uppermost part of the lithosphere which is rich in silica and aluminitm called sial.the rocks are mainly rich in silica and magnesium called sima

Answer 2

Explanation:

1.Temperature increases due to the gas and

prresure presentt inside the surface of the earth the temperature increases because we go near to the core of the Earth which is metallic and hotter

2.The most of the upper layer of earth is composed of Sial.The full form of SIMA is silica and magnesium.The SIAL is much lighter than SIMA,that's why SIAL floats on SIMA