An increase in $CO_2$ concentration in the atmosphere will result in

The irritant red haze in traffic and congested places is due to the presence of which of the following?
$(i)$ Oxides of sulphur
$(ii)$ Oxides of nitrogen
$(iii)$ Carbon dioxide
$(iv)$ Mists,smoke and dust
$(v)$ Smog

Give two names of herbicides.

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity?

Give brief information about the types of smog.

Acid rain is caused by the presence of $X$ and $Y$ in air. $X, Y$ are respectively