North America has one active margin and one passive margin. Where are they? Think about where there are lots of Earthquakes and places where
there aren't many earthquakes.

Explanation:

The North American plate also serves to illustrate this difference. The west coast is the active margin, and is the location of earthquakes, volcanoes, and mountains. The Eastern Seaboard is a passive margin, as is the Gulf Coast.

answer; the nazca plate is converging with the south american plate

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