A) Decaying wastes give out poisonous gases.
B) Decaying wastes give out an unpleasant smell.
C) Biodegradable wastes are used to make compost. This make the soil fertile and help plants to grow strong and healthy.
D) All of these.
Correct Answer: C
Solution :
Biodegradable waste is used as manure.You need to login to perform this action.
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