Mouse rodents damage crops of agricultural plants by eating their stems, foliage, seeds, and fruits. Many of them are carriers of pathogens dangerous for humans and domestic animals. Widespread everywhere, rats, eating plant and animal food, during mass reproduction can cause significant damage to human food reserves. Living in tunnels, they can damage electrical wiring.
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.