Question

ncert class 8th geography ch 2 which are tge two main climate factors responsible for soil formation?​

Answer 1

Which are the two main climatic factors responsible for soil formation?

Soil formation occurs as a result of a gradual breakdown of rocks. Rocks are broken down into finer particles through many processes such as weathering and erosion.

Two main climatic factors responsible for soil formation are:

Rainfall:

Temperature:

Rainfall sips in rocks and the fluctuation in temperature causes differential expansion and contraction of the rocks. Then the freezing and thawing of the water captured inside the rocks creates cracks inside the rocks and finally breaks them into finer particles.The rate of chemical weathering increases by 2-3 times when the temperature increases by 10 degrees Celsius.

Also rainfall serves as an agent for erosion, which further accelerates the soil formation.

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Answer 2

Temperature and rainfall are the two main climatic factors responsible for soil formation. Consequently soils display a wide variety of physical and chemical characteristics. In India, soil formation is mainly related to the parent rock material, surface relief, climate and natural vegetation.

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