What happens to light from the other galaxies as it reaches earth?

Which tools are visuals that geographers use to interpret the world? choose all answers that are correct. question options: maps satellites graphs sensors

The causes of the failure of the league of nations

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.