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Scanned by CamScanner - iesmaster.org · 11. 13. 14. 15. The ozone depleting substance (A) carbon dioxide chlorofluorocarbons (CFCs) (C) hydrofluorocarbons (H FCS) (D) ammonia The
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Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner
Scanned by CamScanner