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What physical forces pull/press water upwards in vegetation?

What physical forces pull/press water upwards in vegetation?

Grade:9

1 Answers

SAHIL
3783 Points
5 years ago
The flow is due to two processes:  first is evaporation of water from leafs (transpiration pull) and the second is a osmotic pressure in roots (root pressure). The first one is a passive process, powered by the difference of water potentials in air and soil; the second is active

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