Earths spheres

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Across
  1. 3. Keep us on earth
  2. 5. life form in huge bodies of water
  3. 6. oxygen
  4. 10. layers of earths air
  5. 11. layers in the earth
  6. 14. life of land water and air come together
  7. 15. sodium sulfur
  8. 16. hot liquid from inside the earth
Down
  1. 1. a living species that breaths eat and comes in different forms
  2. 2. glacier ice sheets
  3. 4. dioxide when we breath out air
  4. 7. carbon dioxide nitrogen
  5. 8. huge comet that is from space
  6. 9. help by giving us clean air
  7. 12. give us gas for cars electricity
  8. 13. lakes pound oceans all bodies of water
  9. 15. huge hills