Across
- 2. the process of collecting and processing materials from the used ones to reuse it for other products
- 3. ... effect Process in which the air is getting warmer and warmer
- 5. A place where communbal waste, trash is held
- 6. The process in which land loses its ferrtility and becomes sandy and be unproductive
- 8. ...energy sources Alternative energy that doesn't come from fossils and don't pollute the Earth
- 10. Dry weather without any rainfalls
Down
- 1. Cutting down trees in forests which results in the disappearance of woods
- 4. A kind of natural disaster when the level of water rises and cover houses and lands
- 7. ... species Animals which are at the edge of extinction because of pollution and careless human activity
- 9. Littering, letting smoke in the air