The following pollutant isn't contained in vehicular exhaust emissions-lead/ammonia/CO2/CO/particulate matter.

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2006-08-06 03:31:36 · 3 answers · asked by SHUMUGANATHAN B 1 in Science & Mathematics ➔ Geography

lead, gas has been unleaded for over 20 years

2006-08-06 03:40:56 · answer #1 · answered by Joker 7 · 0⤊ 0⤋

ammonia

2006-08-07 08:58:25 · answer #2 · answered by jack 1 · 0⤊ 1⤋

ammonia

2006-08-06 03:35:33 · answer #3 · answered by grinningleaf 4 · 0⤊ 1⤋