Explain why it is economically beneficial to keep herbivorous fish in cooling ponds in thermal power plants.

these ponds are heavily overgrown with aquatic vegetation, as a result, the water in them stagnates, which disturbs the cooling of the waste water. Fish eat up all vegetation and grow well.

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.