Other questions in this quiz

2. what is limestone mainly made of?

  • carbon dioxide
  • calcium carbonate
  • calcium

3. where is the nucleus?

  • there isnt a nucleus
  • in the middle of the atom
  • on the right hand side
  • on the left hand side

4. what are two new methods of extracting copper?

  • phytoleaching
  • bioleaching and phytomining
  • bioleaching
  • biomining

5. what does sulfur dioxide cause?

  • acid rain
  • clean rain
  • snow
  • meteor showers

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