You are presented with the question "What can keep water vapor out of the atmosphere?" and the following answer choices: 
- Condensation
 - vaporization
 - chemicals
 - evaporation
 - the skin
 - Solutions
 - Riding a bike
 - air pressure

Now knowing that transpiration is when water vapor moves from plants into the atmosphere and anti-transpirants are chemicals designed to reduce transpiration, choose the best answer.


 

   chemicals      