Chemistry, please help me

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?

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Heat is the total potential energy of a substance that can be transferred. true false