☆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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☆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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Answer:
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