Other questions in this quiz

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

  • dried
  • condensed
  • Became water
  • evaporated

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

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

4. The early atmosphere was mainly made out of what?

  • Carbon Dioxide
  • Oxygen
  • Water Vapour
  • Nitrogen

5. What happened at phase one?

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


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