Multiple choice

About what percentage of water in the atmosphere comes from transpiration?

  1. 3%

  2. 10%

  3. 22%

  4. 37%
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Scientific estimates generally attribute approximately 10% of the moisture in the atmosphere to plant transpiration, with the remainder coming primarily from evaporation from oceans and other water bodies.

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