How and why do plants emit water vapor?



  1. 0 Votes

    When plants emit water vapor it is called transpiration. Plant leaves have little openings on them called stoma (stomata collectively). The stomata open to allow the diffusion of carbon dioxide gas from the air for photosynthesis. When this occurs, they also lose water vapor. Transpiration also cools plants and enables mass flow of mineral nutrients and water from roots to shoots.

  2. 0 Votes

    It’s pretty similar to how you emit water vapor when breathing, really.

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