General Knowledge · Ecology and Organisms
Consider the following statements about earthworms: A. Earthworms make tunnels in fields, providing easy passage for air and water into the soil. B. Earthworms soften the soil by digging underneath. C. Earthworms save main crops from weeds. D. The droppings of earthworms fertilize the soil. Which of the statements given above are true?
- 1A and B
- 2A, B and C
- 3A, C and D
- 4A, B and D✓
Correct answer
A, B and D
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