Question : The biological decomposition of organic substances in wastes under controlled conditions known as:
Option 1: composting
Option 2: incineration
Option 3: sanitary landfill
Option 4: pyrolysis
Correct Answer: composting
Solution : The correct option is composting .
It is a biological process of converting biological waste into organic substances. The formed composting is rich in nutrients and is used as fertiliser. These are eco-friendly (it does not harm). Also, it is cheap. The conversion of the waste is done by the bacteria.
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