atmosphere and cycles

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Across
  1. 2. / The hottest layer of the atmosphere.
  2. 3. / All planets and most moons have this.
  3. 7. / The second highest layer of the atmosphere
  4. 9. cycle / A process to keep the balance of gases in the atmosphere
  5. 10. / The layer of the atmosphere were weather happens.
  6. 11. cycle / A process of turning nitrogen into a form usable by plants for growth.
Down
  1. 1. / Where the ozone layer is found.
  2. 4. / the lowest layer of the atmosphere
  3. 5. cycle / A cycle involving Evaporation, condensation, and precipitation.
  4. 6. cycle / a cycle to blance carbon in the atmosphere
  5. 8. / The layer of the atmosphere where most meteors falling to earth burn.