Q. Biodegradable wastes can usually be converted into useful substances with the help of:

  • (A) Radioactive substances
  • (B) Nuclear proteins
  • (C) Viruses
  • (D) Bacteria
✅ Correct Answer: (D) Bacteria

Published by Ram Sharma ⭐ 193.88K Points at 20-Apr-2022 06:17 pm in Biology

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