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WAEC Agricultural Science 1988 Question 13

Question 13

Soil Properties

The earthworm is important to the farmer because it

  1. A.improves soil structure
  2. B.improves soil texture
  3. C.destroys soil pathogens
  4. D.adds nutrients to the soil
  5. E.prevents soil erosion.
Show the answer and explanation

Answer: A (improves soil structure)

Explanation

Earthworm burrows and casts loosen and aerate the soil and bind particles into crumbs, improving structure.