Across
- 1. something crecent shaped
- 3. an extent of land which drains water
- 6. half the earth
- 10. a rock transformed by heat
- 11. lies underneath the bark of a trunk
- 13. someone who studies evolution
- 14. starchy swelling of the root
- 15. a plant that needs very little water
- 17. land that separates water from flowing into rivers
Down
- 1. geographic coordinate that specifies the north-south position on the Earth
- 2. formed from cooled magma
- 4. formed from sediments
- 5. forces that structure the earth
- 7. a type of vegetation
- 8. a sacred era
- 9. a line representing a physical system at constant pressure
- 12. the angular distance of a place east-west
- 16. a low-growing Australian Eucalyptus