ERN Item Type:
- Videos or Animations
Plate tectonics have shufled the earth's landmasses around -- and continue to do so. What is continental drift? Anyone who's ever experienced an earthquake or seen a volcano knows that th ephrase "solid ground" doens't always apply. Over Earth's long history, the great landmasses have continually rearranged themselves, separating from one ancient land mass known as Pangea. Find out how the world came to look the way it does.