Energy resources

123456789101112
Across
  1. 4. you use too much of it
  2. 6. of this metal in Bolivia
  3. 7. buys almost all the petroleum it needs
  4. 8. originates inside the earth, and it is free
  5. 11. is used to manufacture aluminum
Down
  1. 1. when fossil fuels formed
  2. 2. over the world
  3. 3. helps to conserve nonrenewable resources
  4. 5. of "not enough"
  5. 9. country exports oil
  6. 10. is the top consumer of petroleum
  7. 12. energy/originates from the rise and fall of Earth's ocean