Atmospheric pollutants

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Across
  1. 2. This gas reacts with carbon to produce a gas that is linked to climate change.
  2. 6. These may cause global dimming
  3. 12. Substances that have been made by people not by nature.
  4. 13. A problem that most scientists believe is partly caused by carbon dioxide.
  5. 14. These gases are known as NOx.
  6. 15. An environmental problem caused by particulates.
Down
  1. 1. Harmful chemicals that have been added to the environment
  2. 3. A gas in the air that has very strong bonds within its molecules.
  3. 4. This element is found in fossil fuels such as coal.
  4. 5. A health issue that can be triggered by nitrogen oxides.
  5. 7. A disease that may possibly be caused by particulates.
  6. 8. _____ dioxide gas is produced when fossil fuels burn in a good supply of oxygen.
  7. 9. The type of blood cells that transport oxygen around the body.
  8. 10. _____ fuels include coal and oil.
  9. 11. A fuel produced from oil that has longer molecules than petrol does.