Urgent! please help now need very quick

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?

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Compare and contrast physical changes with chemical changes.