How is the relationship between eons and eras different than the relationship between hours and minutes?

Explanation:

Eras are made up of eons, but hours are made up of minutes. Eons are made up of eras, but minutes are made up of hours. Eras are not even divisions of time, while minutes are. Eons are even divisions of time, while hours are not.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

the sun creates it's own light, also gives light and life to bunch of stuff like plants,animals,humans etc.photosyntesis is the process of making food which needs sun,water,nutrients etc.