Earthquakes and volcanos most likely to occur at the plate boundaries where the tectonic plates move. The correct answer is option A.
It is movement of tectonic plates down the earth and this movement causes the earthquake that is shaking of the land of the Earth.
At the transform boundaries, earthquakes are most likely to occur that is the displacement of larger rock that makes the earth move a little bit from its path.
The shallow earthquakes and volcanos have all their relation to the transform boundaries and tectonic plate that are the cause of the earthquakes.
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