Which of the following atmospheric pollutants is not emitted by vehicles?

How is excessive content of $CO_{2}$ responsible for global warming?

Match List-$I$ with List-$II$.

List-$I$	List-$II$
$A$. Nitrogen oxides in air	$I$. Eutrophication
$B$. Methane in air	$II$. $pH$ of rain water becomes $5.6$
$C$. Carbon dioxide	$III$. Global warming
$D$. Phosphate fertilisers in water	$IV$. Acid rain

Choose the correct answer from the options given below:

Assertion : Suspended particulate matter $(SPM)$ is an important pollutant released by diesel vehicles.
Reason : Catalytic converters greatly reduce pollution caused by automobiles.

Noosphere is a synonym of

According to current information,what is the primary cause of atmospheric pollution in industrial cities leading to acid rain?