The pollution in city like Delhi may be controlled to great extent [CP – McqOptions

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1.	The pollution in city like Delhi may be controlled to great extent [CPMT 1991]
A.	By proper sewage and proper exit of chemicals from factories
B.	By wide roads and factories away from the city
C.	By cleaning city and scanty use of pesticides
D.	All of the above
Answer» E.

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