Across
- 3. to poke holes into the soil
- 4. process of taking materials ready to be thrown away and converting(changing) them into reusable materials
- 6. to cut down large parts of forest
- 7. to wear away
- 10. when a quiet area becomes like a city
Down
- 1. to replant trees into cleared land
- 2. contamination of the indoor or outdoor environment by any chemical, physical, or biological agent that modifies the natural characteristics of the atmosphere
- 5. to use something again and again
- 8. to bring water to an area
- 9. place where we bury garbage in the ground