The answer would be Biology and Chemistry. Although they do use a little bit of physics, it's mostly chemistry and biology.
The answer is cellular respiration. Cellular respiration does not require sunlight, photosynthesis does require sunlight.
Answer:
4
Explanation:
According to newton's second law f=ma. so a =f/m
then a=20/5 gives 4
I'm not sure if this is right but i'd try Chloroplast.