Question

nails and screws are manure or not
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Answer 1

Answer:

Egg shells, straw, dry flowers, left over food, dead animals etc. are biodegradable wastes which can be converted into manure by action of microbes. But pebbles, broken glass pieces, nails and screws, plastic bangles, steel broken vessel are non-biodegradable so microbes cannot act upon them to convert into manure

Explanation:

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