Which of the following is/are NOT an disadvantage of waste decay? – McqOptions

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1.	Which of the following is/are NOT an disadvantage of waste decay?
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.
Answer» D. All of these.

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