Across
- 3. Air pollution consisting of smoke and fog
- 6. The mass of air surrounding the Earth
- 7. warming The gradual increase in temperature of the Earth’s surface caused by human activities
- 8. The pattern of weather in a region over a period of time
- 11. bin A wheelie bin used to collect compost before pick up
- 12. Any living thing
Down
- 1. A rich soil-like material produced from decayed plants and other organic matter, such as food
- 2. The reduction of trees in a wood or forest due to natural reasons or human activity
- 4. dioxide A colourless gas that is naturally produced from animals and people
- 5. To use an item more than once
- 9. Waste that is thrown away carelessly
- 10. Poisonous or harmful to the body
