The Atmosphere

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Across
  1. 1. The gas that absorbs radiation from the Sun
  2. 3. The Northern lights are also known as...
  3. 6. Layer with the highest density of gas molecules
  4. 7. Used to measure air pressure
  5. 9. The layer with ozone!
  6. 10. Most abundant element in Earth's atmosphere
  7. 11. Most abundant type of radiation emitted by the Earth
Down
  1. 2. highest layer of atmosphere
  2. 4. Most abundant form of light/radiation emitted from the Sun
  3. 5. The layer with auroras
  4. 8. A type of radiation absorbed by the ozone layer
  5. 9. The greatest source of radiation is