Across
- 3. the outer crust of the earth
- 4. a process of living thing, using sunlight for food
- 7. the process of spreading something more widely
- 8. the carbon surrounding the earth
- 9. The area of the earth, occupied by living things
- 10. the act of taking in and breathing out oxygen
Down
- 1. a sudden outbreak of something
- 2. cycle a process of carbon compounds and how they interact on earth
- 5. the destruction of somethings
- 6. the area of the earth, occupied by water
- 7. the state or process of rotting or decaying
