Earth day
Across
- 3. strong,unpleasent and sometimes dangerous gas;smoke
- 5. things just as minerals,forests,coal, etc. which exist in a place and can be used by people
- 7. general weather conditions usually found in a particular place
- 9. it can be produced as quickly as it is used
Down
- 1. to collect and treat rubbish to produce useful material which can be used again
- 2. the cutting down of trees in a large area
- 4. name of our planet
- 6. an extremely large wave caused by an earthquake
- 7. poisonous gas
- 8. a color of a bin for glass