Other questions in this quiz

2. The oceans formed when the water vapour ____________ when the earth cooled

  • dried
  • evaporated
  • condensed
  • Became water

3. Volcanoes gave out lots of gases name the three main ones

  • Helium
  • Carbon monoxide
  • Carbon Dioxide, Water Vapour and Nitrogen
  • Hydrogen

4. What happened at phase one?

  • Volcanoes gave out gases
  • Green Plants evolved and gave out oxygen
  • Complex organisms evolved
  • Oxygen was formed

5. What was the earth like originally for millions of years?

  • Full of volcanoes
  • Molten
  • made up of CO2
  • Lava


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