Indicate the main processes that ensure the existence of the biosphere.

The main processes in the biosphere: active interaction of the living and nonliving matter of the planet, the biological circulation of substances and the flow of energy, as well as the economic and ethnocultural activity of man.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.