Arrange the following greenhouse gases in the correct decreasing order of their contribution to global warming.

Identify the correct statements from the following:
$a$) $BOD$ value of clean water is less than $5 \ ppm$
$b$) Oxidation of ethene in the presence of $Pd^{2+}$ catalyst in aqueous medium gives acetic acid
$c$) Photochemical smog causes damage to plant life
$d$) Reducing smog is a mixture of smoke,fog and $SO_2$

The two strong acids present in the acid rain are

Which term is used for the heat-trapping ability of greenhouse gases?

Environmental pollution is the effect of undesirable changes in the properties of our air,land,water,or soil that may harmfully affect...

Match the pollutants given in List-$I$ with their effects given in List-$II$.

List-$I$	List-$II$
$(A)$ Oxides of sulphur	$(1)$ Global warming
$(B)$ Nitrogen dioxide	$(2)$ Damage to kidney
$(C)$ Carbon dioxide	$(3)$ Blue baby syndrome
$(D)$ Nitrate in drinking water	$(4)$ Respiratory diseases
$(E)$ Lead	$(5)$ Red haze in traffic and congested areas