Answer:11. Oxygen12. S-waves disappear at the mantle core boundary13. The continents will not be located in the same place as they are now14. It remained as a supercontinent15. it is naturally denser than the continental crust16. convection current17. the Pacific Ocean18. boundary19. Convergent (Colliding)20. Destructive, or convergent, plate boundaries21. A P body wave22. divergent boundary23. the cooler, denser one descends, or subducts, beneath the overriding plate and sinks into the mantle24. when pieces of Earth's crust—called plates—smash against each other in a process called plate tectonics, and buckle up like the hood of a car in a head-on collision25. convergent plate boundaries26. convergent plate boundary27. Faults28. radiation, conduction, and convection29. the inner core, the outer core, the mantle and the crust30. shallow earthquakes, large lateral displacement of rock, and a broad zone of crustal deformation31. volcanic arc32. Mountains33. crater