Which of the following is/are correct regarding
Montreal Protocol ?
I. Persistent organic pollutants
II. Global warming and climate change
III. To control the emission of ozone depleting
substances
IV. Biosafety of genetically modified organisms
(a) (I) & (1) (b) (III) only
(c) (II) & (IV) (d) (1) & (II)
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Answer:(b) lll only...TO CONTROL THE EMISSIONS OF OZONE DEPLETING SUBSTANCES
LIKE CFCs.
Explanation:
Montreal protocol was a world wide treaty which was signed in 1987 but came into effect in 1989 at Montreal (Canada) .The step was taken after being recognized by the ill effects of Chlorofluorocarbons(non-toxic organic substances which are broken as free radicals in the stratosphere by the action of UV rays) as they cause ozone layer depletion.
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