Across
- 2. something with the ability to contaminate
- 5. CO₂
- 7. a type of energy that comes from fisson
- 8. the group name for a type of fuel that comes from decomposed organics
- 9. variety of all life forms on earth
- 10. a powerplant produces ___
Down
- 1. _____ energy replenishes naturally
- 3. synthetic polimers,petroleum products
- 4. the introduction of harmful materials/energy into the natural environmen
- 6. a thin layer of gas in the stratosphere in the