Geography-Resources

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Across
  1. 2. Organic material used as fuel
  2. 3. Able to be maintained without depleting future supplies
  3. 7. A liquid fossil fuel used for fuel and plastics
  4. 10. resources that cannot be regenerated
  5. 14. resources that are inexhaustible
  6. 15. A black rock burned for energy
  7. 18. Energy that comes from the sun
  8. 19. heat energy from Earth’s interior
  9. 20. Energy sources formed from ancient plants and animals
Down
  1. 1. Harmful substances entering the environment
  2. 4. energy from gravitational pull of moon and Sun
  3. 5. Electricity produced from flowing water
  4. 6. The process of restoring or replenishing resources
  5. 8. A resource that cannot be exhausted
  6. 9. Protecting and managing natural resources
  7. 11. The continuous movement of water on Earth
  8. 12. energy from uneven heating of Earth’s atmosphere
  9. 13. naturally occurring mineral with atomic number of 92
  10. 16. A gaseous fossil fuel used for heating and electricity
  11. 17. The removal of forests for human use