Across
- 3. warning of danger or trouble
- 7. oil that drops from big cargo ships that damage the sea and sealife
- 9. get money with the help of people for a good cause
- 10. opposite of "decrease"
- 11. bring back to a previous condition
- 12. synonym for "origin"
Down
- 1. synonym for "scenery"
- 2. make holes in the soil to find petrol
- 4. do something that helps improve a certain situation
- 5. synonym for woods
- 6. combustible organic material that comes from previous forms of life
- 8. opposite of "allow"