Other questions in this quiz

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

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

3. What is the approximate relative effect of methane?

  • 40
  • 25
  • 30
  • 20

4. What is the approximate relative effect of oxides of nitrogen?

  • 3000
  • 2000
  • 1000
  • 4000

5. What is the approximate relative effect of CFCs?

  • 5000
  • 5,600
  • 5,500
  • 6000

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