UGC NET Paper I Exam 14 June 2023 Shift 2 Paper

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Question : 13 of 50
 
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Given below are two statements:
Statement I: The concentration Chlorofluorocarbons (CFCs) in the atmosphere has increased in the past few years.
Statement II:CFCs already present in the atmosphere will persist for many years.
In the light of the above statements. choose the correct answer from the options given below 
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