Galaxies that are moving away from Earth are A. red shifted
B. shrinking
C. expanding
D. blue shifted

And economies a mixed economy has strong elements of both a. planned traditional market planned market traditional planned command b select the best answer from the choices provided ooo

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.

The volume of the triangular prom is 54 cubic units