ASAP When you breathe in, you are creating a concentration of oxygen in the lungs, causing the oxygen to move towards the concentration in the blood stream.

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What noticeable trend from this graph might be used to make a conclusion?