Mario Lopez-Earth Science
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Plate Tectonics
continental drift
pangea
Asthenosphere
Lithosphere
Mid-Oceanic ridge
Rift valleys
Subduction
Convergent Boundaries
Divergent Boundaries
transfrom Boundaries
Animoto Project
volcanos
Stratovolcanos Volcanoes
Shield Volcanoes
Cinder Volcanoes
Earthquakes
Emergency Kit