Across
- 3. a sudden and violent movement of the earth's surface
- 5. Many species of plants and animals are endangered
- 8. Increase in overall temperature of earth
- 9. The gas that forms when coal is burnt
- 10. Unwanted matter or material
Down
- 1. Things like minerals,forests,coal,etc
- 2. Cutting down of trees
- 4. the ability to decompose naturally and harmlessly
- 6. A mountain with a large hole at the top
- 7. A long period in which there is little or no rain