Changing Earth Form X

Edit Answers
12345678
Across
  1. 2. longest under water mountain chain
  2. 5. continents drift apart from each other and have done so in the past
  3. 6. process by which new oceanic lithosphere is created as older materials are pushed away
  4. 7. ancient land mass made up of all of the continents
  5. 8. boundary where 2 plates slide past each other
Down
  1. 1. theory that the lithosphere is divided into tectonic plates that move on the asthenosphere
  2. 3. boundary where 2 plates are moving apart
  3. 4. boundary where 2 plates are moving together