Across
- 2. They live in nature, others fly, others swim
- 5. The physical environment or organisms
- 6. The weather conditions
- 8. An area covered with trees
- 9. We plant in it
Down
- 1. Plants, animals, mountains, rivers generally
- 3. Produces oxygen
- 4. Coal, petroleum and natural gas in general
- 6. Gas found in the atmosphere
- 7. We breathe it