The two major causes of air pollution in urban areas are _____ and _____.
dust, power plants
vehicles, thermal power plants
none of these
The correct option is C vehicles, thermal power plants Vehicular Pollution: The process of burning gasoline to power cars and trucks contributes to air pollution by releasing a variety of emissions into the atmosphere.
Thermal power plant gives out a lot of gases that are harmful to the environment, they also give out what is known as thermal pollution. Thermal pollution is the degradation of the local environment, in particular the localized waterways, that are changed by the discharge of wastewater from the powerplant.
option c is correct as vehicle and thermal plant are more in urban areas