<span>"Hypothesis, because tentative means unsure."
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Axon: the messenger cell that carries the command to contract muscles.
I. Facilitated diffusion is your answer.
Active transport <span>is the movement of molecules across a cell membrane into a region of higher concentration, this process requires energy. Both osmosis and diffusion are passive transportations which means that they don't require energy.
Hope this helps!
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Sunlight
solar energy
water
