Other questions in this quiz

2. why is copper found in tree roots

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

3. whats the equation for scrap iron

  • copper oxide + iron --> iron oxide + copper
  • iron oxide + copper --> copper oxide + iron

4. 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

5. what does a copper reaction with copper oxide do

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

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