Diffusion is the net movement of fluid from area of higher concentration to lower concentration, resulting from the random movement.
From example, if you drop a red ink in a cup of water, the ink will slowly spread among the water, making the water red. This is because the red ink is very concentrated, so it moves to the other part of water to lower the ink concentration. When it reaches the point where whole cup of water is red, it reached equilibrium and there's no more net movement
Answer:
what are the questions? if its open ended then someone sitting down at a bus stop is an example
Explanation:
potential energy is energy not being used that's just being stored up.
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.
