Why is the river valley the result of the geological work of the river?

Over time, the river destroys rocks and creates a channel for itself. The channel widens and the surrounding soil around the river is eroded.



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.