Other questions in this quiz

2. What is the approximate relative effect of carbon dioxide?

  • 20
  • 2
  • 1
  • 10

3. What percentage of ozone is in the atmosphere?

  • 0.000007%
  • 0.000005%
  • 0.000008%
  • 0.000006%

4. What percentage of carbon dioxide is in the atmosphere?

  • 0.04%
  • 0.037%
  • 0.038%
  • 0.039%

5. What percentage of water vapour is in the atmosphere?

  • 20%
  • variable (up to 4%)
  • 10%
  • 5%

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