Other questions in this quiz

2. who thought of the plate tectonic theory?

  • Charles Darwin
  • Albert Einstein
  • Alfred Wegner
  • Nicholas le blanc

3. Which methord of salt mining is used for road grit in the winter?

  • evaporating sea water
  • i dunno
  • Salt mining
  • solution mining

4. which of these does salt not have to pure to use?

  • Road grit (winter snow ice melting)
  • not sure
  • flavouring food
  • preserving food

5. which element is not in PVC?

  • Sodium
  • Carbon
  • Chlorine
  • Hydrogen


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