Question

which is the most common substance on the earth​

Answer 1

Answer:

Oxygen and silicon are notably the most common elements in the crust. On Earth and in rocky planets in general, silicon and oxygen are far more common than their cosmic abundance. The reason is that they combine with each other to form silicate minerals.

Answer 2

mandhara mandhara kalige thelaralela thinaranale kothaga dharichera......