The source and the observer are moving towards each other. The observer is moving toward the source. The source is moving away from the observer
<span>5.6x10e22 atoms
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Answer:
4 electric pole is the answer.
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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