Natural Resources 2.5

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Across
  1. 1. A chemical element with the symbol Au
  2. 3. A clean energy that comes from the air
  3. 4. The chemical element of atomic number 29
  4. 12. Another name for Oxygen
  5. 14. Use as fuel
  6. 15. It clovers 71% of the earth
  7. 17. A star that will blow up in 4 billion years later that will aslo eat up the earth.
  8. 18. The hardest material to find in mine craft
  9. 20. Use to make silverware
  10. 21. A black, carbon fossil fuel used for energy
  11. 22. A animal that give birth not by egg
  12. 23. It can grow up to 400 feet
  13. 25. A animal that has no limbs in the sea
Down
  1. 2. We sitting or standing on it right now
  2. 3. Another name for H20
  3. 5. Oil
  4. 6. Its green
  5. 7. A material that can mine diamond in mine-craft
  6. 8. It germinates when add water
  7. 9. nuclear fuel
  8. 10. Its used to catch fish
  9. 11. an air-like fluid substance which expands freely to fill any space available
  10. 13. We slather billions of them every year for meat coat bags, and etc.
  11. 16. A fuel found in the earth
  12. 19. Five cents
  13. 24. A layer of earth were plants grow