Question

Give the importance of soil. Explain three factors responsible for soil formation

Answer 1

Importance of soil

As one it the most important components of the sustainability of an ecosystem, soil we said be of great importance when it comes to the growth of vegetation.

Factors Responsible for the Formation of Soil are

1. Parent Material:

Deposited by streams or derived from in-situ weathering, these soil come with many properties like the mineral composition, the color, the particle size, and the chemical elements.

2. Climate:

The rate of weathering of the parent rock is affected by varied climate. Hence it is said to be an important factor in determining soil formation.

3. Role of temperature:

Any change in temperature can cause shrinking and swelling, frost action and general weathering in soils. Hence, temparature is said to play a vital role in soil formation.

Answer 2

Soil is the most important natural resources. It supports natural vegetation and wildlife. Plant also grow in the soil.

Factors responsible for formation of soil are :

• Forces of nature like running water, wind , glacier help in formation of soil.
• Relief, parent rocks, climate and vegetation also help in formation of soil.
• Chemical and organic change also help in formation of soil.