The world map below shows the locations of tectonic plate boundaries (black lines) and active volcanoes (red dots).

Question

Image courtesy of USGS

Based on this map, volcanoes most commonly form
A.
along Earth's equator.
B.
in the middle of tectonic plates.
C.
in Earth's polar regions.
D.
near tectonic plate boundaries

Answer 1

D. near tectonic plate boundaries

Volcanoes most commonly form near tectonic plate boundaries, where the movement of the plates can create the conditions necessary for volcanic activity.