what is the average movement of a plate in a year
~ 2-5 cm
what are the major boundary types
~ diverging, transform, and converging
what are transform boundaires
~ where plates slide past one another without creating or consuming crust, example:
San Andreas Fault
what are divergent boundare...
✓✓✓✓~ continents moving about the face of the planet
what are plate tectonics
✓✓✓✓~ the understanding of how continents move
examples of supercontinents
✓✓✓✓~ pangea, rodinia
what is the evidence for continental drift
✓✓✓✓~ the fit of the continents, ice age evidence matching, fossils, paleomagnetics
what is a geomagnetic reversal
✓✓✓✓~ when earths magnetic field reverses polarity, it is preserved in cooling lava
what are plates
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