Global Tectonics Study Guide
Since new ocean floor is constantly being made at a Divergent Plate Boundary, what happens to the old ocean floor so that the Earth doesn't grow in size? Plate Tectonics Study Guide KEY. Use this KEY to check your answers on your study guide. Answers do not need to be word- for-word the same, but details and. Mar 21, 2013 - Background Info; Questions; Fast Facts; Explore More; Vocabulary. The theory of plate tectonics states that the Earth's solid outer crust, the.