Cinder cones are the simplest type of volcano. They are built from particles and blobs of congealed lava ejected from a single vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as cinders around the vent to form a circular or oval cone.
Answer:
c. results from industrial activity
Explanation:
Ocean and freshwater contamination results from industrial activity.
The Pacific Ocean Basin is rimmed by the most subduction zones.
I think it is None of the above