The red dots that coincide with volcanically active island chains shown on the map are called
A)hot spots.
B)midocean ridges.
C)abyssal plains.
D)island arcs.

Question

The red dots that coincide with volcanically active island chains shown on the map are called 
A)hot spots. 
B)midocean ridges. 
C)abyssal plains. 
D)island arcs.

Quizplus · Accepted Answer

The red dots on the map indicate volcanically active areas called hot spots. These hot spots often coincide with island chains such as Hawaii, and are believed to be caused by a plume of magma rising from deep within the Earth's mantle.

The Red Dots That Coincide with Volcanically Active Island Chains