You must have seen during rainy season, when it rains animals like earthworm , snakes , snails etc . are commonly seen explain why?
Kindly refer to the link below:-
https://www.meritnation.com/ask-answer/question/explain-why-earthwarm-comeout-in-rainy-season-e/science/7030509
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https://www.meritnation.com/ask-answer/question/explain-why-earthwarm-comeout-in-rainy-season-e/science/7030509
Regards