12. Which molecules must be present in order for energy production to occur in the mitochondria of an animal cell?
*
O a Carbon Dioxide
b. Chlorophyll
c. Oxygen
d. Lactic Acid

The molecules must be present in order for energy production to occur in the mitochondria of an animal cell - c. Oxygen.

In order for energy production to occur in the mitochondria, the process known as cellular respiration takes place.

Thus, The molecules must be present in order for energy production to occur in the mitochondria of an animal cell - c. Oxygen.

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C. oxygen

Explanation:

Oxygen is needed to help the process of turning glucose into ATP. The initial step releases just two molecules of ATP for each glucose.

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.