Question

Fertile soil has lots of humus. Why ? ​

Answer 1

Answer:

Fertile soil has lots of humus because it contains microorganisms that decompose dead organic matter present in soil and help in the formation of humus. Humus is a sources of mineral, absorbs water and makes the soil porous for easy passage of plant roots.

Explanation:

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Answer 2

whenever some small animals die on the soil and plants or anything else get rot on soil they make the soil fertile .......this the humus are present in the soil