Other questions in this quiz

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

  • Carbon Dioxide
  • Argon
  • Oxygen
  • Nitrogen

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

  • Pluto
  • Saturn
  • Mars
  • Jupiter

4. Which is the main gas in the atmosphere?

  • Carbon Dioxide
  • Nitrogen
  • Argon
  • Oxygen

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

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

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