Use Models In Figure 1, which of the colors that make up white light (if any) are reflected or absorbed? Which pass through?

What in the

The rocks expand when there hot/warm  and contract when they are cold.

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )