Across
- 2. kind of rain that is harmful to the environment
- 5. the trapping of the sun's warmth in a planets lower atmosphere
- 7. the variety of plant and animal life in the world
- 8. what is color of a bin for paper
- 10. groups of animals,having no living members
Down
- 1. tropical forest
- 3. plants give off oxygen and absorb?
- 4. planets overall temperature
- 6. sorting trash to specific bins
- 9. products that can be used again