The basin situated in Queensland and is a major source of groundwater.

1. Great Artesian basin
2. Great Reef Basin
3. Great Ayer basin
4. Great Eyre basin

The highest peak of Australia is in the country of …………… .

1. New South Wales
2. Queensland
3. Western Australia
4. South Australia

Tiny sea creatures that live in the shallow, warm and salty waters of the sea and secrete calcium carbonate.

1. Coral polyps
2. Zooplankton
3. Coral Reef
4. Phytoplanktons

The Western Plateau in Australia is composed of

1. Sandstone
2. Granite
3. Marble
4. Basalt