Other questions in this quiz

2. Which of these planets had a similar atmosphere to Earth?

  • Mars
  • Pluto
  • Saturn
  • Jupiter

3. Which is the main gas in the atmosphere?

  • Argon
  • Nitrogen
  • Oxygen
  • Carbon Dioxide

4. Which of these made up most of the EARLY atmosphere?

  • Nitrogen
  • Carbon Dioxide
  • Oxygen
  • Argon

5. Why did the proportion of oxygen go up as the atmosphere developed?

  • Photosynthesis let it out
  • It was released as fossil fuels were burnt
  • It was released from the rocks
  • Trees gave out oxygen

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