Burning fossil fuels increases the carbon in the atmosphere, and an increase in carbon dioxide, therefore, can cause an increase in the temperature of the lower atmosphere. Given these facts, what can can cause an increase in the temperature of the lower atmosphere among the following options:
- solar flares
 - burning fossil fuels
 - gas expanding
 - Dehydration
 - Warm air moving into cold air
 - radio waves
 - Greenhouse gasses
 - Greenhouse gases


 

  burning fossil fuels       