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Railways PYQCBT 2 2017

RRB NTPC · Question 74

The process of converting wet waste to manure is called:

  1. Incineration

  2. Conservation

  3. Metabolism

  4. Composting

Show answer & explanation

Answer: (D) Composting

Explanation

Composting lets microorganisms decompose wet (organic) waste into nutrient-rich manure. Incineration burns waste instead.