i think the correct answer is B considering that the channels are not always open for the protons to freely diffuse through the inner membrane.
Answer:
they absorb moisture from the air
Answer: step 1 is radiation step 2 is conduction
Explanation: step 1 is radiation because the sun is giving off heat radiation which is heating up the sand without the sun actually touching it
step 2 is conduction because your foot is actually touching the sand and the sand it hotter than your foot, so the sand transfers its heat to your foot until your foot is as hot as the sand
