☆Fill in the blanks☆
1. Incomplete burning of fuel produce ______
2. Petroleum refinery is a major source of gaseous pollutant like ______
3. ______and _____constitute acid rain.
4. ____used in aerosol causes ozone depletion.
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Thuy the seller and give reason to you the seller yyytyyy the seller and give
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ANSWER
1 CO
2 CO2
3 So2 No2
4 No2
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