Climates of the Earth

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Across
  1. 3. "equal night"
  2. 6. warming the Earth
  3. 8. 365 days
  4. 10. cold or warm stream of seawater
  5. 11. water in the desert
  6. 12. physical characteristics of the surface of the land
  7. 13. major type of ecological community
  8. 14. windless area near the Equator
  9. 15. June 21 and December 22
Down
  1. 1. prevailing winds caused by the Earth’s rotation
  2. 2. continuous daylight
  3. 4. condition of the atmosphere in one place over a short period of time
  4. 5. runs from the North Pole to the South Pole
  5. 7. pattern of ocean currents and water temperatures in the mid-Pacific region
  6. 9. permanently frozen layer
  7. 10. average weather conditions as measured over many years