Important terminology

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Across
  1. 4. Absorbing or reflecting harmful radiation
  2. 6. Bottom layer and where we live
  3. 8. Contains ozone layer
  4. 9. Earth's crust and upper mantle
  5. 10. All living things on Earth
Down
  1. 1. Where aurora happens
  2. 2. All the water on Earth
  3. 3. Moves carbon from living things into the soil
  4. 5. Where meteorites burns up
  5. 7. Second most abundant element in the human body