If an oceanic trench formed along the East Coast of North America, the deepest earthquakes related to the subduction of the oceanic plate beneath North America would occur the eastern coastline.
1. west of
2. east of
3. along
4. randomly all around

3. along

Explanation:

If an oceanic trench formed along the East Coast of North America, the deepest earthquakes related to the subduction of the oceanic plate beneath North America would occur along the eastern coastline.

Oceanic trenches results from the convergence of two plates, they are a common site for earthquakes. Since the trench is along the East Coast of Northern America, the earthquake will most likely occur along the Eastern coastline.

a is the answer i believe.

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