Other questions in this quiz

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

  • nitrogen
  • carbon dioxide
  • argon
  • carbonates
  • neon

3. The Earths atmosphere today contains approximately 78% of...

  • carbon dioxide
  • carbonates
  • nitrogen
  • argon
  • neon

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

  • neon
  • nitrogen
  • carbon dioxied
  • carbonates
  • argon

5. what brought water to Earth?

  • concentrated water vapour and comets
  • rain just fell

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