Across
- 3. The process of hardening into a limestone or chalky substance
- 6. A substance used to counteract the effects of venom
- 7. A baby koala or kangaroo
- 8. A mammal that carries its young in a pouch
- 10. An island made of piled up coral sand
Down
- 1. Native to or found only in a particular place
- 2. A large depression or valley
- 4. Tiny creatures that build hard skeletons and form large reefs
- 5. A form of government headed by a monarch
- 9. A large flat area of elevated land