The appearance of mineral fertilizers in water bodies leads to an increase in the concentration of nutrients (nitrogen, sulfur, phosphorus, potassium, etc.), which contribute to the rapid development of algae, which leads to the transformation of water bodies into swamps. The appearance of blue-green algae is a sign of the beginning of pollution of the reservoir.
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.