The correct option is
C Excess release of
SO2 and
NO2 from burning fossil fuels
Oxides of Sulphur and Nitrogen produced by the burning of fossil fuels react with water molecules in the atmosphere forming Sulphur based and Nitrogen based acids.
They precipitate and cause corrosion of buildings and plants.
So, the correct option is 'Excess release of SO2 and NO2 from burning fossil fuels .'