B is the answer.
As reduction and oxidation (electron transfer), occurs simultaneously, protons (H+) are also transported across a membrane. The result is an electromagnetic proton gradient which in turn drives the synthesis of adenosine triphosphate (ATP), which is the molecule used for energy.
the answer is conduction - the transfer of heat to an object through contact
Cells in onion peels are dead and the ones in spinach are alive.
Answer:
B
Explanation:Im on brainpop too and it says the answer is b