Across
- 5. Throwing our litter anywhere is … to the environment.
- 9. Recycling is an … friendly habit.
- 12. The … layer protects us from the sun.
- 13. People produce tons of … in the cities.
Down
- 1. We use solar … to produce electricity.
- 2. We can … our planet from pollution by caring about it.
- 3. A dump is a place where … is left.
- 4. … helps us in the home: we cook, wash dishes and clothes, and watch TV thanks to it.
- 6. Waste disposal causes air, soil and water ...
- 7. The planet is in …
- 8. Batteries must be … as they contain chemical components.
- 10. We can plant trees to protect the environment.
- 11. Human activities are the … of many environmental problems.
- 14. Smoke from factories causes … pollution.