Why was the term continental drift changed to plate tectonics?
Plate tectonics is a theory that describes how the plates in the lithosphere move. The model builds on previous theories of continental drift. This theory revolutionized Earth's sciences by providing a mechanism by way mountains-building processes, volcanoes, and earthquakes occur.
Answer and Explanation:
Continental drift was a precursor to the development of plate tectonics which incorporates it. When Alfred Wagener proposed that continents move but he could not explain the mechanism for how this could occur. It wasn't until the theory of plate tectonics came around that this became the accepted theory and mechanism for how plate move.
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from General Studies Earth & Space Science: Help & ReviewChapter 7 / Lesson 5