How is the water system in southwestern united states

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

answer australia and antarctica;

the cell is the smallest structural and functional unit of living organisms, which can exist on its own. therefore, it is sometimes called the building block of life. some organisms, such as bacteria or yeast, are unicellular—consisting only of a single cell—while others, for instance, mammalians, are multicellular.