Select the statement that best describes a chemical buffer. a substance that minimizes changes in pH a substance that raises pH a substance that completely dissociates in water a substance that is a mixture of water and an acid.

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?

Can someone me with these questions plz.

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?