GLOBAL WARMING

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Across
  1. 1. dioxide CO2,something that we breath out
  2. 5. a ray of sunlight; sunbeam
  3. 6. the height of the ocean
  4. 7. the business of operating a farm
  5. 9. any such living thing other than a human being
  6. 10. a cover over the earth to keep the air in
Down
  1. 2. such as avalanche, earthquake, flood, forest fire, hurricane, lightning, tornado, tsunami, and volcanic eruption a natural effect
  2. 3. to put or set in the ground for growth, as seeds, young trees
  3. 4. Air,something that we breath in
  4. 8. a planet that we live on
  5. 11. a planet that is on fire