Why is the human impact on the earth’s surface now much stronger than in the past?

A. Many plants and factories have been built.
B. There is more industrial and household waste.
C. The environment is polluted by transport.

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.