Other questions in this quiz

2. The tiny amount of which chemical has kept the Earth warm enough to support life?

  • Oxygen
  • Hydrogen
  • Carbon Dioxide (CO2)
  • Nitrogen

3. What are particulates?

  • Particles in the air
  • What makes the sky blue
  • Particles in our skin
  • A cell in finger nails

4. Why was it like this?

  • Because it was too cold
  • Because there were no humans
  • Because the volcanoes were constantly releasing them
  • Because it was too hot

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

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

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