Question

Question 1.Which one of the following is a step in the formation of soil?
(a) Earthquakes or volcanic eruptions
(b) Weathering of rocks
(c) Addition of humus
(d) All are involved in the formation of soil​

Answer 1

Answer:

b

Explanation:

weathering of rock because

Answer 2

Out of all the options available, Weathering of rocks is a step in the formation of soil because the basis of the formation of soil is soil minerals which are produced from the rocks.

• Rocks are called the parent materials because through the process of disintegration of rocks, minerals and other nutrients are naturally eroded and the soil is formed.
• Breaking down of rocks happens due to wind, temperature change, water, organic materials, living organisms and external pressure.

Since soil is on the surface of the earth, it is formed from the weathering of rocks, which is a crucial step in the formation of soil.