Other questions in this quiz

2. the earliest atmosphere is thought to have contained mainly....

  • carbonates
  • carbon dioxide
  • argon
  • neon
  • nitrogen

3. what brought water to Earth?

  • concentrated water vapour and comets
  • rain just fell

4. The earth was a molten ball of....

  • rock and water
  • rock and minerals
  • lava and rock

5. over the years, carbon dioxide dissolved in the oceans and this was adsorbed by marine organisms. The marine organisms eventually formed rocks which are

  • carbonates
  • carbon dioxied
  • argon
  • nitrogen
  • neon

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