Why is there continuous destruction of rocks on the Earth and the Moon?

On Earth – as a result of water and wind erosion, carbon dioxide, living organisms. On the Moon – under the influence of the solar wind, corpuscular cosmic radiation, impacts of meteorites, significant temperature fluctuations, space vacuum.

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.