It means that the atom or the group of atoms became positive ion by losing two electrons Ex.
For the answer to the question above asking <span>In aerobic respiration, what is the direct source of energy that ATP synthase uses to synthesize ATP?</span><span>I think this is Proton Gradient. It is t</span><span>he product of the electron transport chain. A higher concentration of </span>protons <span>outside the inner membrane of the mitochondria than inside the membrane is the driving force behind ATP synthesis.</span>
C. Hypothermia
Answers A, B, and D are all good strategies to ensure that you do not overheat during practices. Hypothermia is a condition that occurs when your body becomes unhealthily cold. It is not something that you can/should do to yourself, and would only hurt you if you were to attempt it as a strategy to stop overheating.
