Passive transport<span> is a kind of </span>transport<span> by which ions or molecules move along a concentration gradient, which </span>means<span> movement from an area of higher concentration to an area of lower concentration. Examples of passive </span>transport<span>include diffusion, filtration, and osmosis.</span>
the answer is a it can be used as an energy source by organisms
11- the number of protons is the same as the atomic number
Answer:
A
Explanation:
A. Please tell me if its right.
