. The decaying leaves and animal droppings in a forest enrich the


(a)          underground water.

(b)          soil.

(c)           surrounding air.

(d)          humus.

Best Answer

(d) humus.

Explanation. The amount of decaying leaves and animal droppings enriches the humus. Fertility of the soil is determined by the presence of humus which provides nutrients of the dead plants and animals are released into the soil.

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