I would assume that because of not only sports but because of what americans do, like eat alot or smoke etc. it can effect organ systems because the heart has veins leading to every other organ, when the heart stops, the organs stops too.
Birth rate, As we grow we might have to cut down on birth
<span>Facts and data are objective, while and opinion is subjective.</span>
Polysaccharides are more difficult to digest then monosaccharides because they are much larger molecules.
D is incorrect. They are not specifically restricted to terrestrial environments.
