Why is red the last color seen at sunset?

a: it reflects off the atmosphere.
b: it is scattered the least by the air.
c: it is bent the most by the air.
d: it is bent by raindrops.

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing