Across
- 5. Another name for crude oil
- 6. Nitrogen + oxygen
- 8. location of the 2006 haze
- 9. Acid rain has a ph value of.... Or less
- 10. produced in large quantities in a volcanic eruption
- 12. greenhouse gas that causes global warming
Down
- 1. The condition in which air contains a high concentration of chemicals that may harm living things or damage non-living things.
- 2. In the presence of oxygen in the air sulfurous acid is slowly oxidised to
- 3. a colourless and odourless gas
- 4. what does carbon monoxide combine with to form carboxyhaemoglobin
- 7. forms photochemical gas
- 11. The number 1 most polluted country in 2024