Which of the following natural disasters most often affects tokio

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.

What volcanoes form on a divergent plate margin

He resistance of a liquid to flowing is called