Answer:
A magnet keeps a cabinet door closed. The Sun pulls on Earth as Earth moves around the Sun. The protons in the nucleus of a carbon atom are held together.So this is an example of the strong force in action.
C. Commensalism
"An association between two organisms in which one benefits and the other derives neither benefit nor harm."
Answer is 3 it uses chemical and physical changes when using stomach acid and physical when turning food in your stomach.
First of all the chloroplasts are only in plant cells and second the mitocondria is what stlres the proteins i think but idk