Answers

2014-06-05T21:47:16+05:30
Biodegradable substances r those which can be easily decomped by nature eg. raw materials , peels of fruits and vegetables , paper, wood, leaves, dead bodies, natural fibres, etc.
nonbiodegradable substances r those which cannot be decomposed by nature. eg.plastic,
metals, synthetic fibres, cosmatics, medicines, chemical substances, etc.
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