Acid rain is mainly caused by the emissions of which of the following gases?
$I.$ Sulphur dioxide
$II.$ Carbon dioxide
$III.$ Nitrogen dioxide
$IV.$ Methane
$I.$ Sulphur dioxide
$II.$ Carbon dioxide
$III.$ Nitrogen dioxide
$IV.$ Methane
- A$I$ and $II$
- B$I, II$ and $III$
- C$I$ and $III$
- D$I, II, III$ and $IV$
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