The photo shows old faithful in yellowstone national park. which statement correctly identifies old faithful and explains how it formed?

Why did the people of kamchatka oppose a mining project there

The layers of earth are based on what two sets of characteristics?

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.