Fact 1: Cellular respiration is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy. Fact 2: Cellular respiration is a requirement for life. Given the two facts above, cells converting from oxygen and carbohydrates into carbon dioxide, water and energy is a requirement for what?

Select from:
(A). grow.
(B). plants.
(C). health.
(D). life.
(E). food.
(F). trees.
(G). body.
(H). growth.
The answer is:
(D).