Speed. This is more of a physics question.
Explanation:
They are opposites 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).
Answer:
gyri (ridges) and sulci (furrows)
Explanation:
A scale shows the distances bewtween places on a map.
