Answer:
Through passive transport
Explanation:
<em>Passive transport is the movement of molecules and ions across the cell membrane whith no use of energy,</em> it usuale involves a difussion down its concentration gradient (a region where concentration changes) across a membrane, from higher to lower concentrations. Passive transport can happen by simple diffusion, facilitated diffusion, filtration, or osmosis.
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I think its B because it never has a the turn over to any other side except for the west.
The right answer for the question that is being asked and shown above is that: "d. As the distance from the Earth increases, the sound wave intensity also decreases due to the lessening density." This the <span>statement that is untrue in regard to sound traveling in air</span>
