What do Earth and Mars have in common? How do they differ from each other?

Change of seasons, presence of atmospheres, chemical composition of the lithosphere. Different duration of seasons, different density and composition of the atmosphere and temperature regime in it.

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.