You are presented with the question "what vapor moves from plants into the atmosphere during transpiration?" and the following answer choices: 
- outer space
 - clouds
 - H2O
 - CO 2
 - CFCs
 - CO2
 - Dew
 - H20

Now knowing that transpiration is when water vapor moves from plants into the atmosphere and water is made up of H2O molecules, choose the best answer.


 

   H2O      