Across
- 3. species endangered birds/plants/species animals or plants which may soon not exist because there are very few now alive.
- 6. vibration from underground movement along a fault plane.
- 7. dioxide the gas formed when carbon is burned, or when people or animals breathe out.
Down
- 1. a large amount of water covering an area that is usually dry.
- 2. the cutting down of trees in a large area; the destruction of forests by people.
- 4. a long period when there is little or no rain.
- 5. wave a wave of unusually hot weather