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Biodegradable wastes can usually be converted into useful substances with the help of
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- Bacteria
- Nuclear proteins
- Radioactive substances
- Viruses
Correct Option: A
Bacteria are the most abundant organisms which play important role in the decomposition of organic matter. Majority of bacteria involved in decomposition of organic matter are heterotrophs and autotrophs are least in proportion which are not directly involved in organic matter decomposition.
