2. what information about the earth can rocks provide?

Rocks can provide about  earth and its fossils.

Explanation:

On seeing rocks can says much about the history of evolution such as the earth,water,huge rocks is the older ones where as the smaller one is the younger one. We can find many fossils in the rock and many species which had been extinct now.

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.

d. cellulose and starch