Other questions in this quiz

2. What is the main reason there isn't that much Carbon Dioxide in the air?

  • It is produced over many years
  • There isn't enough actual carbon for it to be made
  • It can't be produced
  • It would kill us

3. What was the Earth like around 4.5 billion years ago?

  • Hot and sunny
  • Violent and volcanic
  • Cold and damp
  • Quiet and peaceful

4. Percentage of nitrogen in our atmosphere?

  • 78
  • 43
  • 21
  • 1

5. The atmosphere mainly consisted of what 4.5 billion years ago?

  • Sulphur and Calcium
  • Oxygen and Nitrogen
  • Carbon dioxide and water vapour
  • Gold and tin

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