Across
- 3. The act of polluting
- 4. The weather conditions of a region
- 7. A body of fresh or salt water surrounded by land
- 8. An element that is essential to breath
Down
- 1. Animals living in the wild
- 2. A large area of land covered with trees
- 5. A natural high piece of land
- 6. A hollow place in the earth or underground