ഓസോൺ പാളിയെ ബാധിക്കുന്ന രാസവസ്തു ഏത്?
Aക്ലോറോഫ്ലൂറോകാർബൺ
Bക്ലോറിൻ
Cഹെക്സാഫ്ലൂറോകാർബൺ
Dതന്മാത്രാ കാർബൺ
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