Across
- 2. equality and fairness
- 5. The first step in a scientific method
- 8. To preserve
- 9. a proposed explanation for some event or problem
- 10. All of Earth's water
Down
- 1. All living thing on earth
- 3. Co2
- 4. Protects us from solar radiation
- 6. Identify patterns and
- 7. The Earth's solid part's