MCQ
Which of the following is not responsible for causing global warming?
- AJet planes
- ✓Ozone layer
- CCarbon dioxide
- DMethane
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Column A
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Column B
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$I$
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Nylon
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$(i)$
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Thermoplastic
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$II$
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$PVC$
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$(ii)$
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Thermosetting plastic
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$III$
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Bakelite
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$(iii)$
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Fibre
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