Question

explain why,the earthworms only come out during heavy rains

Answer 1

An earthworm breathes oxygen by absorbing it through moist skin. It likes damp soil, but if the rain is very heavy the oxygen is the water logged soil may run out.
Hope it hepls you
Mark as brainliest

Answer 2

because on top of the wet ground the earthworm can breathe and wriggle along.