Across
- 4. engery from the sun
- 6. pattern of whether in an area
- 7. plants convert light energy
- 8. global sum of all ecosystem
- 9. layer of gas surrounding the earth
- 10. all the water on earth
Down
- 1. gases warm the planet surface
- 2. measure of the reflectivity of a surface
- 3. outer part of earth
- 5. organism and their environment
