cholesterol in the cell membrane is to maintain stability, anchor other molecules, and keep the membrane fluid in cold temperatures.
<span>Humans shouldn't use nonrenewable sources otherwise the resources will disappear. Renewable Sources: Sun, wind, maybe water.</span>
It's the built up pressure and heat inside the mantle of the earth
D.
This is so since the average person (with activity) stores enough glycogen to last him 12 to 14 hours.
