Across
- 2. Solid fossil fuel
- 5. Throwing rubbish in places where we should not
- 7. Run out
- 8. Cutting down large area of trees
Down
- 1. Substance that can harm our environment
- 3. Used to make concrete for building house
- 4. Coal is found in the _____
- 5. Fossil fuels are found in the ground in _____ amounts
- 6. Soil carried from one place to another
- 9. Liquid fossil fuel