Task · part of 4(D). Option D, Earth History

4(D)(2). Plate tectonics

Optional May not apply

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Explain the theory, and either chart or discuss how the processes work, then how plate tectonics determines where most volcanoes, earthquakes and mountain belts are.

Where this step comes from

Geology Merit Badge Requirements (Merit Badge Hub, last modified 2025-12-15), Requirement 4(D)(2)