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Rickie Can't Figure Out How to Solve a Math Problem

question 179

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Rickie can't figure out how to solve a math problem. His teacher gives Rickie a "hint" that helps him think a little differently about the problem, and now he solves it. Rickie's teacher has used a technique best described as:


Definitions:

Island Arc

An island arc is a type of archipelago, composed predominantly of a series of volcanoes, which arcs roughly parallel to the boundary of oceanic tectonic plates that are being subducted beneath lighter continental plates.

Continental Rifting

The process by which a continent stretches and splits along a rift zone, potentially leading to the formation of a new ocean basin.

Passive Margin

A continental margin that is not associated with plate boundaries and hence experiences little seismic activity.

Subduction

The process by which one tectonic plate moves under another plate and dives into the mantle, often causing volcanic activity.

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