Circle the area on this map
D. Australia's desert and semi-arid interior region makes up by far the largest portion of the nation's land. Most of the country's people live along the coasts.
A. Northern Australia lies above the Tropic of Capricorn and has a tropical climate, varied between tropical rainforests, grasslands and desert.
B. Antarctica is twice the size of Australia and is the world's largest desert, with an annual precipitation of about 8 inches along the coast and far less inland.
C. The Great Barrier Reef off Australia's northeastern coast is the world's largest coral reef system. It is composed of and built by billions of tiny organisms, known as coral polyps, which could be killed off by warming ocean waters.