The correct answer from the space provided is electron transport chain. It is because this allows the proteins from utilizing the energy that has been produced in which the electrons are being transferred to the redox reaction in which creates the process called the chemiosmosis.
Answer: A participate in different types of exercise
Explanation: Doing a variety of things works out different muscles in your body. doing 1 things all year long would most likely use some of your muscles.
I would say it's option "A."
Probably spreading depends on the context you probably should add
