Because they are the same chemical reaction but reversed. Cellular respiration takes glucose (from nutrient/food) and oxygen (from atmosphere) in order to make CO2 (think about exhaling) and H20 (water).
(I don't remember this clearly so it may be wrong, i'll look into it and come back!)
It is a cause for higher demand in food
Answer:
Explanation:
because it not 3rd it has no shadow
Answer: The answer is A: 50,000,000 years.
hope this helps you (: