One direct use of earthworms to farmers is:

  • A
    Allowing sunlight to pass in upper layers of soil
  • B
    Enrichment of soil by nephridial excretions
  • C
    Removal of dead leaves
  • D
    Killing of some harmful insects

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Similar Questions

The figure below shows the digestive system of an earthworm. What are $P$ and $Q$?

The nephridiopore is the opening of $............$.

The typhlosole in earthworm is related with

The approximate number of earthworms found in $1$ acre of land is..........

If a transverse section of $Pheretima$ is cut through the $20^{th}$ segment,it contains:

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