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Supersonic jets cause pollution by thinning of

$\begin{array}{1 1}(a)\;CO_2\;layer&(b)\;SO_2\;layer\\(c)\;O_2\;layer&(d)\;O_3\;layer\end{array}$

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Because gases from these jets deplete ozone layer.
Hence (d) is the correct answer.
answered Jan 20, 2014 by sreemathi.v
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