Predicting where an earthquake epicenter will occur is easier because are patterns to look at due to the fact that they always occur near plate boundaries. Predicting when they will occur is difficult because they do not follow any certain pattern.
The main vent is the main outlet for the magma to escape. Secondary vents are smaller outlets through which magma escapes. The crater is created after an eruption blows the top off the volcano
Answer:
Where the pacific and Atlantic oceans each meets land.
Explanation:
A margin or boundary is the edge of a plate. in this case, a continental margin is the edge of the continent, where it meets with the oceanic plate.
I think the answer is D:all of the above.
