Across
- 4. → Part of environmental balance
- 5. → Gas produced by humans and animals
- 7. → Variety of living species
- 8. → Natural power source, sunlight, wind, or water
- 9. → Living creatures
- 10. → Cutting down trees
- 12. → Protecting this is crucial for future life
- 15. → Practice of using resources carefully
- 18. → Harmful substances released into air or water
- 19. → Living organisms that produce oxygen
Down
- 1. → Essential for all life
- 2. → Helps reduce waste
- 3. → Place where animals and plants live
- 5. → Climate or weather patterns
- 6. → Anything humans take from nature
- 11. → Opposite of pollution; eco-friendly practices
- 13. → Needed for breathing
- 14. → Light from the sun
- 16. → The surface we live on
- 17. → Large areas of trees