NotesZIMSECO LevelChemistry
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Shared by Nobold ZIMFundi team · 2 hours ago
About 78% nitrogen, 21% oxygen, 0.04% carbon dioxide, plus argon and water vapour. Pollutants: carbon monoxide (incomplete combustion, poisonous), sulfur dioxide (burning coal, acid rain), nitrogen oxides (car engines), particulates.
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