What is the cycle of matter in the biosphere?

The cycle of substances in the biosphere is a cyclic, repeatedly repeated process of a joint, interconnected transformation and movement of substances. Its presence is a necessary condition for the existence of the biosphere: after use by some organisms, substances must pass into a form accessible to other organisms.

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.