Can tectonic plates break?
How do tectonic plates move?
Tectonic plates are cracks of the lithosphere which sits on top of the asthenosphere. Convection currents within the asthenosphere cause the tectonic plates to move.
Answer and Explanation:
Convection currents actually were responsible for breaking the lithosphere up into plates in the first place (due to putting strain on it), and they can still break up tectonic plates today, not just move them. Tectonic plates can also break as a result of earthquakes.
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Learn more about this topic:
from General Studies Earth & Space Science: Help & ReviewChapter 7 / Lesson 5