Other questions in this quiz

2. What percentage of nitrogen is in the atmosphere?

  • 80%
  • 77%
  • 78%
  • 79%

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

  • 2000
  • 1000
  • 3000
  • 4000

4. What percentage of oxygen is in the atmosphere?

  • 21%
  • 20%
  • 22%
  • 23%

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

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

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