Quantity of fresh air required for a man is – McqOptions

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1.	Quantity of fresh air required for a man is
A.	1000 cubic feet of air for every 20 minutes
B.	1000 cubic feet of air for every 20 seconds
C.	1000 cubic feet of air for every 10 minutes
D.	1000 cubic feet of air for every 10 seconds
Answer» B. 1000 cubic feet of air for every 20 seconds

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