Analyze the map above. What unique natural resource is found in Southeast Asia but not in South Asia? A.
precious gems
B.
natural gas
C.
lumber
D.
coal

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.

Which of the following graphs represents exponential decay

Ocean crust is a. made from submerged continents b. magnetically produced crust c. produced at mid-ocean ridge d. produced at all plate boundaries