Warm water holds less oxygen than cold water does.
This is true. Only 3% is fresh water.
The answer to question 1 is D and the answer to number 2 is B
<span>The human body requires liquid for the production and movement of blood cells, to prevent too low of a dip in blood pressure, and to guarantee that oxygen reaches the brain. All of these problems can be caused by dehydration and, if not treated in time, can be debilitating and even fatal.</span>
