16. The border between two tectonic plates
17. The boundary where two plates come together
18. The boundary where two plates pull apart
19. The boundary where two plates slide past each other
20. The evidence that rocks closer to mid ocean ridges are younger than rocks farther away supports the theory of:
21. The giant landmass where all continents were connected
22. The Hawaiian Islands are an example
23. The layer that supports and moves the tectonic plates is
24. The lithosphere is part of the
25. The oldest crust (rocks) are found ................. the mid-ocean ridge.
26. The partly-melted lower mantle is called:
27. The process of one plate sliding under another plate at a convergent boundary is
28. The theory of plate tectonics combine which two other theories?
29. The youngest crust( rocks) are found ................. the mid-ocean ridge.
30. This process makes new crust at the bottom of the ocean at a divergent boundary
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