What happens if you take two two liter jars in one, pour the soil with worms and in the other just the soil in both sand and a leaf on top.

In that jar where there is no earth, the worms will die due to lack of moisture. They will live in a bank where there is land. It’s just not clear why to cover the top with a sheet. It does not affect their behavior in any way.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.