Select the INCORRECT statement from the following.
A The dark coloured humus found in deep layers of soil, makes soil fertile.
B Afforestation protects the soil from erosion.
C Organic manures are less harmful than chemical fertilisers.
D Overgrazing is one of the causes of soil erosion.
answer c correct
Ans 1:
Class : Class 5
Answer will be A). It is because, humus is found on topsoil and not in deep layers of soil.
Ans 6:
Class : Class 4
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