Across
- 2. A famous building made from marble
- 3. Rock formed from extreme heat/pressure
- 7. Renewable energy that uses the sun
- 8. Rock formed from compaction and cementation
- 9. Rock that forms from volcanic activity
- 11. The latest folding period
- 12. Non-renewable source of energy found in Ireland
Down
- 1. Process of removing rock and other material the ground
- 4. Environmental consequence of non-renewable energy
- 5. A karst location found in Ireland
- 6. The biggest exporter of crude oil
- 10. Word used to describe something that will run out