Across
- 2. the study of earth
- 3. a solid inorganic material found in nature
- 6. group of animals that occupy a certain area
- 7. no longer in existence
- 8. forms when molten rock
Down
- 1. petrol natural gasses and coal are made from remains of plants and animals
- 4. still a living species
- 5. heat, pressure, cooling, melting, and weathering causes rocks to change from one type to another over time
- 9. water held underground in deep soil of reservoirs