You are presented with the question "What decreases when we decrease the amount of cars traveling to one place?" and the following answer choices: 
- Temperature
 - Heart rate
 - Climate change
 - Pollution
 - Clean air
 - forces
 - Burning fossil fuels
 - gene flow

Now knowing that carpooling decreases the amount of cars used to travel to a place and carpooling cuts down on congestion and pollution, choose the best answer.


 

    Pollution     