How did soil appear on earth?
Humans have dug it beneath the earth's surface
Constant weathering and erosion of rocks
Asteroid collisions with earth
From the dead remains of all plants and animals
Soil on earth comes from rocks. The dynamic natural elements like wind, flowing rivers, change in seasons, etc are responsible for the erosion of rocks and the formation of soil.
When the surface of Earth is dug deeper and deeper, we reach a level where all the spaces between particles of soil and the gaps between rocks are filled with water. What is the upper limit of this layer called?
Decay of rocks on the surface of the of the earth due to exposure to the atmosphere is called ___________ erosion