Since a dinosaur cannot swim, explain how a fossil can be found on all continents

What is the correct order of events in the water cycle?

According ti the following map, what are the most common mineral resources found in the united states?

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.