Respuesta :
When fossil fuels are burned, they release nitrogen oxides into the atmosphere, which contribute to the formation of smog and acid rain. ... Most of the nitrogen oxides released in the U.S. due to human activity are from the burning of fossil fuels associated with transportation and industry.
Answer:
The burning of fossil fuels contributes to the buildup of greenhouse gases, which is regarded as the leading factor in climate change and global warming and bad air quality
Explanation: