What is laughing gas made out of? (31 points so hurry up before someone else does) *free points*

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

How does the motion of particles in a gas change as the gas cools

What causes the appearance of lines in a emission spectrum