Which of Australia’s physical features is circled on the map above?

A. The central lowlands
B. The great barrier reef
C. The eastern highlands
D. The western plateau

Why did large numbers of african migrate to the americas

The covers all of earth like a thin shell,but it is not a solid sheet of material.it is broken up into several large sections and many smaller ones. fill in the blank.

Find the area of the shaded region.