A.Ozone, peroxyacetyl nitrate and Nox
B.Smoke, peroxyacetyl nitrate and SO2
C.Hydrocarbons, SO2 and CO2
D.Hydrocarbons, ozone and SOx
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B.Smoke, peroxyacetyl nitrate and SO2
C.Hydrocarbons, SO2 and CO2
D.Hydrocarbons, ozone and SOx
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