How are nitrogen oxides, sulphur oxides and carbon Oxides related?
A. All of them are secondary air pollutants that contribute to global warming.
B. All of them are primary air pollutants that contribute to acid deposition.
C. All are air pollutants formed by combustion of fossil fuels.
D. All of them are air pollutants that result in respiratory diseases in humans.
Answer:B
How are nitrogen oxides, sulphur oxides and carbon Oxides related?
A. All of them are secondary air pollutants that contribute to global warming. B. All of them are primary air pollutants that contribute to acid deposition. C. All are air pollutants formed by combustion of fossil fuels. D. All of them are air pollutants that result in respiratory diseases in humans.