Which of the following shotgun barrels has the smallest bore diameter? a, 10 gauge b, 12 gauge c, 16 gauge d, 20 gauge

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.

Ron is moving to oceania because his mining company recently opened a new operation there. to which of the following islands is ron most likely going? a. papua new guinea b. bikini atoll c. tahiti d. palmyra atoll

Which type of map gives the most information about what lies below the surface terrain ?