Gases released during the use of fossil fuels causes global warming, and cars and factories burn fossil fuels, releasing nitrogen oxide gases and reactive organic compounds. Given these facts, driving a car contributes to  among the following options:
- dark matter
 - Quality of life
 - global warming
 - salty cashews
 - kinetic energy
 - lowered energy cost
 - expansion of the universe
 - survive


 

   global warming      