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BIOLOGY CH23 Economic Biology — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceBIOLOGY CH23 Economic Biology1 Mark
Question
How is compost prepared?
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Answer

Compost is produced by the decomposition of organic matter such as crop residues, animal wastes, food wastes, industrial and municipal wastes by microorganisms under controlled conditions.

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