Question

Microorganisms act upon the dead plants and animals to produce 


A. Sand

B. Mushroom

C. Humus

D. Wood

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Answer 1

Microorganisms act upon the dead plants to produce a thick brown or black substance called humus. The microorganisms convert the dead plants and animals to humus and are known as decomposers, like bacteria and fungi. Humus is a very important component of the soil as it contains many useful minerals and nutrients.

Answer 2

Answer:

(c) Humus

because when plants are dead the microbes dispose them and form humus.