Question 9 of 12 Why do earthquakes often happen near volcanic regions? A. Both are caused by continental-continental convergence. B. Both are caused by terrane accretion. C. Both are caused by subduction zones. D. Both are caused by low granite content.

## Step 1<br />The question asks why earthquakes often happen near volcanic regions. The options provided are:<br />A. Both are caused by continental-continental convergence.<br />B. Both are caused by terrane accretion.<br />C. Both are caused by subduction zones.<br />D. Both are caused by low granite content.<br /><br />## Step 2<br />We need to understand what each of these options means. <br /><br />- Continental-continental convergence refers to the collision of two continental plates, which can cause earthquakes and volcanic activity.<br />- Terrane accretion is the process by which pieces of the Earth's crust are added to a tectonic plate.<br />- Subduction zones are areas where one tectonic plate is being forced under another, which can cause earthquakes and volcanic activity.<br />- Low granite content refers to the amount of granite in a particular area.<br /><br />## Step 3<br />Among these options, subduction zones are the most directly related to both earthquakes and volcanic activity. This is because subduction zones are areas where one tectonic plate is being forced under another, which can cause both earthquakes and volcanic activity.