A

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Q. Quantity of fresh air required for a man is

  • (A) 1000 cubic feet of air for every 10 minutes
  • (B) 1000 cubic feet of air for every 10 2nd s
  • (C) 1000 cubic feet of air for every 20 2nd s
  • (D) 1000 cubic feet of air for every 20 minutes

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