Other questions in this quiz

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

  • Carbon
  • carbon dioxide
  • soot

3. How were the oceans formed?

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

4. The Earth's atmosphere was probably formed by ...

  • Volcanic Activity
  • The big bang
  • The heat from the sun

5. Non-metal atoms combine to make

  • molecules
  • electrons
  • protons

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