________ is/are being considered an alternative to reduce the country' – McqOptions

MCQOPTIONS

1.	________ is/are being considered an alternative to reduce the country's crude oil imports worth Rs. 7 lakh crore. It/They can also be a potential weapon to fight increasing pollution.
A.	Extractor fans
B.	Biofuels
C.	Air purifiers
D.	Phytoremediation
Answer» C. Air purifiers

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