Across
- 3. is using the same thing by cleaning
- 7. are the area where garbage is collected and decomposed
- 9. are used for killing unwanted plants and weeds
- 10. layer is getting depleted due to polution
Down
- 1. is a renewable resource
- 2. is a nonrenewable natural resource
- 4. is a biodegradable waste
- 5. cause air pollution
- 6. is the growing of trees
- 8. is essential for human beings in breathing