A) they help the arrival of new leaves
B) they form manure
C) they provide colour to soil
D) None of these.
Correct Answer: B
Solution :
Dead leaves are important for soil because they become manure and provide nourishment to the soil. Therefore, option b is correct. Once leaves are shed. New leaves arrive on the tree, but this process does not help the soil. Dead leaves do not provide colour to the soil. It only gives nourishment to the soil. Thus, options a, c and d are incorrect.
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