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Cohesion and Adhesion Root pressure
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Transpiration: evaporation from the leaves creates a pull that draws water up through the stem.
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Gravity: food from photosynthesis is pulled down to nourish the plant.
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cohesion: water and minerals cling to each other.
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adhesion: water molecules cling to the walls of xylem. This causes tension that forces water and nutrients to rise up the stem.
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root pressure: pushes water and minerals up.
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Cohesion and Adhesion Root pressure
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The end…
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