GCSE Chemistry C9 atmosphere

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Across
  1. 3. carbon... is a toxic, odourless, colourless gas
  2. 5. particulates can cause global
  3. 7. ...wavelength radiation is absorbed by co2 and methane
  4. 8. life first evolved in the...
  5. 9. gas formed in photosynthesis
  6. 10. reaction that takes place in chloroplasts
  7. 12. climate change can lead to a loss of...
  8. 14. early life forms that do photosynthesis
  9. 15. carbon... is the amount of carbon a process adds to the air
  10. 17. crop that releases large amounts of methane when grown
  11. 19. sulphur dioxide can lead to...
  12. 21. carbon dioxide + water becomes oxygen +
  13. 22. ...converters in cars reduce its air pollution
  14. 23. nitrogen-containing gas in early atmosphere
Down
  1. 1. in hot car engines, oxygen can react with...
  2. 2. ...rocks act as carbon sinks when forming
  3. 4. ...combustion can lead to carbon monoxide or soot
  4. 6. the increased... effect is leading to climate change
  5. 9. gas that protects against UV rays
  6. 11. wavelength radiation passes through the air onto the surface
  7. 13. water vapour... as the early atmosphere cooled
  8. 16. fuels that add as much co2 to the air as they took in
  9. 18. source of early atmosphere
  10. 20. greenhouse gas released by cattle