Q. Fertility of soil can be improved by :

  • (A) adding living earthworms
  • (B) adding dead earthworms
  • (C) removing dead earthworms
  • (D) removing living earthworms and adding dead earthworms
✅ Correct Answer: (A) adding living earthworms

Published by Madhu ⭐ 12.07K Points at 04-Jan-2021 09:45 am in Geography

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