Most important use of earthworm is_________
A. Their burrows make the soil loose
B. They make the soil porous, leàve their castings and take organic debris in the soil
C. They are used as fish meal
D. They kill the birds due to biomagnification or chlorinated hydrocarbons.
Answer:B
Most important use of earthworm is_________
A. Their burrows make the soil loose B. They make the soil porous, leàve their castings and take organic debris in the soil C. They are used as fish meal D. They kill the birds due to biomagnification or chlorinated hydrocarbons.