Other questions in this quiz

2. which element is not in PVC?

  • Hydrogen
  • Carbon
  • Sodium
  • Chlorine

3. who thought of the plate tectonic theory?

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

4. what is an enviromental impact of salt mining?

  • only works where its really sunny
  • hmm
  • can cause subsidence (buildings falling down)
  • needs wood as a fuel to heat it up (cutting down trees)

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

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

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