Heat and moisture are distributed around the earth are called

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

✿   this landform has a high elevation and a high relief

✿   this landform is a mountain

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

a- all cells come from pre-existing cells