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PLEASE HELP 10 POINTS!

Why is humus an effective fertilizer? (Select all that apply.)

It is abundant in inorganic nutrients.
It is dense and does not contain organic matter.
It is rich in organic matter.
It doesn’t need microorganisms to decompose matter

Sagot :

Answer:

  • It is rich in organic matter.

Explanation:

  • Humus is organic material formed when an animal or plant decays.
  • Humus is formed by the decomposing action of soil microorganisms.