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Match the following in column I and column II.
Column I Column II
a. CPCB i) Measure of biodegradable organic matter
b. CNG ii) Pollution control board
c. FOAM iii) Reduce air pollution
d. BOD iv) Waste water treatment
a b c d
1 iii i ii iv
2 i ii iii iv
3 iv iii ii i
4 ii iii iv i

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answer is D.

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Detailed Solution

CPCB	-	Pollution control board
CNG	-	Reduce air pollution
FOAM	-	Waste water treatment
BOD	-	Measure of biodegradable organic matter

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