Cell membrane
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I'm at a loss between A & C but I'm not sure, I'd go with A
<span> Gemini will be visible almost 9 months, Other times it will be visible at night sometimes, due to the earths rotations only certain constellations are see able at one time. </span>
Carb digestion happens first in the mouth by amylase. then stomach, pancreas, small intestine, large intestine
<span>Mosses receive their water from rainfall and most of their nutrients are dissolved in this water that has accumulated as dust on them. Their nutrient uptake is effected by the osmosis. Highly concentrated nutrients can kill them because they have no ability to regulate the absorption.</span>