What is the major and most effective way of controlling pollution?
or:What is the major and most effective way of controlling pollution?or:by not burning crackers. not burning fire, using C.N.G, doing carpool and ada
or:What is the major and most effective way of controlling pollution?
or:by not burning crackers. not burning fire, using C.N.G, doing carpool and adapting all the ways which cause pollution.
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