Question

they need a lot of that organelle because its function is to make...
solar energy
carbohydrates
atp energy
glucose
rewatch
submit

Explanation:

Mitochondria are the power - houses of the cell and their main function is to produce ATP energy through cellular respiration. Chloroplasts are involved in making carbohydrates and glucose using solar energy in photosynthesis. Since the question is about an organelle's main energy - making function, ATP energy production is correct.

Answer:

C. ATP energy