Human geography is concerned with:
O
A. human use of resources.
O
B. history and migrations as expressed on maps.
O
C. how people make maps for their homelands and other lands.
D. all human interactions with one another and with the environment.

In 1915 the german geologist and meteorologist alfred wegener first proposed the theory of continental drift, which states that parts of the earth's crust slowly drift atop a liquid core. the fossil record supports and gives credibility to the theories of continental drift and plate tectonics.

In the diagram below dab and dac are adjacent angles

How did geographic isolation affect the islands in the australasia ecozobne?