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