Multiple choice

Manure is prepared by ________ of animal excreta and plant waste.

  1. chemicals

  2. decomposition

  3. aeration

  4. denitrification
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Manure is organic fertilizer created through the biological decomposition (breakdown by microorganisms) of animal waste (excreta, dung) and plant residues. This decomposition process converts raw waste into nutrient-rich humus that improves soil structure and fertility. Chemicals would not create organic manure, aeration adds oxygen, and denitrification removes nitrogen.

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