If transpiration is when water vapor moves from plants into the layer of gasses that surrounds the earth, then in transpiration, where does water vapor move from the plants to?

Answer choices:
- a hemisphere is tilted away from the sun
 - turns into a gas
 - Warm air moving into cold air
 - global ecosystems
 - roots and shoots
 - organisms and their habitat
 - By wind and rain
 - gas layer that surrounds earth

 

        gas layer that surrounds earth  