Answer:
B, Energy
Explanation:
During cellular respiration, mitochondria use oxygen to break down glucose (food molecules) in order to turn it into energy that the organism can use for cell functions.
in case you were wondering, the equation for cellular respiration looks like this:
[tex]6O_{2} + C_{6} H_{12} O_{6} = 6CO_{2} + 6H_{2} O[/tex]
Hope this helped.
