Mostly quartz feldspar and clay minerals; may contain fragments of other rocks and materials
Answer:
Most earthquakes directly beneath a volcano are caused by the movement of magma. The magma exerts pressure on the rocks until it cracks the rock. Then the magma squirts into the crack and starts building pressure again. Every time the rock cracks it makes a small earthquake.
Explanation:
<span>The major renewable resource produced in western central Europe is hydropower</span>
Your answer would be volcanologist
