2Geography

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Across
  1. 3. a type of greenhouse gas
  2. 4. Lots of sunspots directing solar energy toward the earth
  3. 7. make or do something differently/alter or modify something
  4. 10. the expulsion of gas, rock, lava due to volcanos
  5. 11. Toxic gas in the atmosphere
  6. 15. The basic systems and services such as transport and power supplies
  7. 16. Farming
  8. 17. solving a problem
  9. 20. Water in the ocean
Down
  1. 1. The world heating and cooling
  2. 2. Mahoraga
  3. 5. excessive water in an area like a lot of water
  4. 6. A place in south malaysia
  5. 8. cows farting
  6. 9. fires in the nature?
  7. 12. Trees being cut down
  8. 13. Topic of geography
  9. 14. the earth as natural warming or cooling in the tilt and orbit of the earth around the sun
  10. 18. the degree of hear present in an object
  11. 19. A non renewable energy source