Which of the following are considered atmospheric air pollutants?
- AOxides of carbon $(CO, CO_2)$
- BOxides of nitrogen $(NO, NO_2)$ and sulphur $(SO_2, SO_3)$
- CHydrocarbons and Ozone $(O_3)$
- DAll of the above
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List gases which are responsible for the greenhouse effect.
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View SolutionThe average atmospheric residence time is lowest for which of the given greenhouse gases?
Match the following metals in drinking water with their maximum prescribed concentration in $ppm$:
List-$I$ (Metal) List-$II$ (Concentration in $ppm$) $A$. $Mn$ $I$. $0.05$ $B$. $Zn$ $II$. $5.0$ $C$. $Cd$ $III$. $0.005$ $D$. $Cu$ $IV$. $3.0$
| List-$I$ (Metal) | List-$II$ (Concentration in $ppm$) |
|---|---|
| $A$. $Mn$ | $I$. $0.05$ |
| $B$. $Zn$ | $II$. $5.0$ |
| $C$. $Cd$ | $III$. $0.005$ |
| $D$. $Cu$ | $IV$. $3.0$ |
Which one of the following gases is the major contributor to global warming?
Sewage containing organic waste should not be disposed of in water bodies because it causes major water pollution. Fishes in such polluted water die because of:
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