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.
