What degree longitude is the eastern border between alaska and canada?

In the construction of new housing development, which factor of production can be categorized as land?

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.

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