B) Answer the following question in brief :
(any two)
1) Explain the importance of soils for plant growth?
2)What has nature endowed the herbivorous animals
with for self-protection ?
3)What do you understand by observing contour lines
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Explanation:
1 . Temperature and rainfall are the two main climatic factors responsible for soil formation. Both these factors promote weathering, that is, breaking down of rocks.
2 . Two reasons for land degradation are:
Large scale destruction of forest cover
Excessive use of chemical pesticides and fertilisers in agricultural lands
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