Name the compounds that are likely to form: CaKr, Na2S, BaCl3, MgF

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?

What can be found in the ionosphere

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?