Other questions in this quiz

2. How were the oceans formed?

  • the first atmosphere cooled and water vapour condensed
  • it rained and filled where the oceans are now

3. Coal is a carbon. In a plentiful air supply it burns to form .....

  • carbon dioxide
  • soot
  • Carbon

4. Elements are made of

  • cells
  • molecules
  • atoms
  • electrons

5. In a limited supply of air Coal burns to form...

  • Carbon Monoxide
  • Carbon Dioxide
  • Soot

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