You are presented with the question "Green what can be accomplished through pushing on pedals?" and the following answer choices: 
- commuting
 - Plants growth
 - walking
 - driving
 - Heart rate
 - running
 - horse-riding
 - Movement

Now knowing that pushing on the pedals of a bike cause that bike to move and bike commuting truly is green but bike commuting is difficult, choose the best answer.


 

 commuting        