Which statement correctly compares earthquakes at mid-ocean ridges and plate boundaries?

Answer 1

a) Earthquakes at mid-ocean ridges are less frequent than earthquakes at plate boundaries.
b) Earthquakes at mid-ocean ridges are more powerful than earthquakes at plate boundaries.
c) Earthquakes at mid-ocean ridges occur exclusively at transform plate boundaries.
d) Earthquakes at mid-ocean ridges are caused by volcanic activity, while earthquakes at plate boundaries result from tectonic plate interactions.

The correct statement is:

d) Earthquakes at mid-ocean ridges are caused by volcanic activity, while earthquakes at plate boundaries result from tectonic plate interactions.