Question

Which of the following statements are true regarding soil formation?

• A. Strong water flow causes wearing of rocks which leads to soil formation.
• B. Outermost layer of Earth contains variety of nutrients.
• C. Humus reduces the fertility of the soil.
• D. Sun and water are two factors that helps in soil formation.

Answer 1

Answer: (A), (B), (D)

The correct options are
A Strong water flow causes wearing of rocks which leads to soil formation.
B Outermost layer of Earth contains variety of nutrients.
D Sun and water are two factors that helps in soil formation.

The main factors that helps in formation of soil are sunlight, water and wind. The strong wind can carry small sand particles from one place to another. The outermost layer which is called as the crust will carry all the nutrients and supply them to all living organisms.