During heavy rain, you can observe the massive emergence of earth (earth) worms on the soil surface or paths. Explain this phenomenon.
| September 29, 2020 | Education
1) during the rain, earthworms crawl out of their holes and are on the surface of the soil, since they have skin respiration;
2) rainwater fills their holes, and they have nothing to breathe; to save themselves, they get out.
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