Q. A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called

  • (A) Cesspool
  • (B) Lagoon
  • (C) Skimming mill
  • (D) Septic tank
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✅ Correct Answer: (D) Septic tank

Published by Nisha Gupta ⭐ 2.32K Points at 13-May-2023 02:11 pm in Environmental Engineering

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