Q. The unit parts per million is identical to

  • (A) Grains per galleon
  • (B) Pounds per cubic foot
  • (C) Milligrams per kg
  • (D) Tonnes peracre foot
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✅ Correct Answer: (C) Milligrams per kg

Published by Mr. Dubey ⭐ 111.54K Points at 19-Sep-2023 08:08 pm in Environmental Engineering

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