CTET Class I to V 23 Dec 2021 Paper

Select from the following, the reasons of considering the earthworms as the friends of the farmers:
A) Earthworms soften the soil of the field in which they live by digging the soil underneath.
B) The tunnels dug by earthworms provide easy passage for air and water into the soil.
C) The earthworms eat the weeds and save the main crop.
D) The earthworms eat the dead leaves and plants. The dropping of the earthworms makes the soil more fertile.
The correct statements are