Across
- 2. a mammal that carries its young in a pouch
- 3. a form of government headed by a king or queen
- 4. the living part of a coral reef
- 7. the name given to Australia by Dutch explores in 1644
- 8. an island made up of piled up coral sand
- 10. groups of people sharing the same culture,language,or ancestory
Down
- 1. when the earth was formed
- 5. areas of land that are relatively low in elevation
- 6. a baby koala or kangaroo
- 9. very dry with little or no rainfall
