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- 4. EXAMPLES OF NATURAL POLLUTANTS
- 5. ABBREVIATION FOR VOLATILE ORGANIC COMPOUNDS
- 7. TYPE OF CANCER CAUSED BY CIGARETTE SMOKE
- 8. POLLUTANT PUT DIRECTLY IN THE AIR BY HUMANS
- 10. NUMBER OF TYPES OF POLLUTANTS
- 12. TYPE OF POLLUTION CAUSED WHEN HARMFUL SUBSTANCES END UP IN THE AIR
- 14. CAUSE 1/3 OF ALL AIR POLLUTION
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- 1. CAUSED BY CAR EXHAUST
- 2. NATURAL POLLUTANTS DO NOT BECOME...
- 3. NATURAL POLLUTANT FROM THE OCEAN
- 6. MOST AIR POLLUTION IS CAUSED BY
- 8. IF TWO PEOPLE CAR POOLED TO WORK 33 MILLION _____ OF CARBON MONOXIDE WOULD BE ELIMINATED
- 9. TYPE OF POLLUTANTS FOUND IN CARPET, WALLS, PAINT AND FURNITURE
- 11. TYPE OF NATURAL POLLUTION
- 13. PART OF THE LUNG DAMAGED BY RADON