Changes in the shape of a volcano can indicate ________.
A)an increase in the heat flow from the magma
B)an extinct volcano becoming active
C)a magma chamber filling or emptying
D)the release of gases from the magma

Question

Quizplus · Accepted Answer

Changes in the shape of a volcano can indicate a magma chamber filling or emptying. As magma moves in or out of the chamber, the pressure within the volcano can change, causing it to bulge or collapse. This can be monitored by scientists using techniques such as GPS and satellite imagery. Changes in heat flow, activation from being extinct or release of gases can also be indicators of volcanic activity, but they do not directly affect the shape of the volcano in the same way.

Changes in the Shape of a Volcano Can Indicate ________