what is transpiration pull theory
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transpiration pull involves the evaporation of water from leaves. Thus, the explanation for the upward movement of sap in trees is also called the transpiration-cohesion hypothesis....
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Hey
To move water upwards in the xylem a suction force is required as it has to be transported against gravity. Therefore when water comes out through leaves by transportation it creates a suction which allows the water in roots to come uoward against gravitational force.
This is k/a transpirational pull.
Hope it helps :)
To move water upwards in the xylem a suction force is required as it has to be transported against gravity. Therefore when water comes out through leaves by transportation it creates a suction which allows the water in roots to come uoward against gravitational force.
This is k/a transpirational pull.
Hope it helps :)
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