Other questions in this quiz

2. what are ores

  • rocks that contain enough metal to be economically extracted
  • liquids that contain enough metal to be economically extracted
  • rocks that contain no metal so have to be extracted

3. why is copper found in tree roots

  • if it was planted on a copper site
  • if it was injected with copper
  • the trees seed thing was covered in copper before it was planted

4. what does a copper reaction with copper oxide do

  • thins the carbon
  • reduced the carbon
  • thickens the carbon

5. what does PREW stand for

  • resources waste energy pollution
  • pollution resources energy waste
  • poo rots everyones water

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