As a result of the law of conversation of mass a balanced chemical equation must

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?

An observation that requires measurement is called quantitative observable or qualitative

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?