Geography

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Across
  1. 3. the degree of heat and cold in the air is known as
  2. 5. blanket of air around the Earth
  3. 6. Top of a wave
  4. 7. the air around us consists mostly of this gas
Down
  1. 1. The process where gas cools and forms liquid or solid droplets.
  2. 2. the process by which water changes into gas is called
  3. 3. Periodic changes in water levels
  4. 4. Largest ocean in the world