A reverse fault is where the plates are deviding
A strike-slip fault is where the plates slide by each other but dont collide
so it would have to be ( A ) if there isnt a forth answer
It is called seismic waves. That should help:)
I believe all of the anwers apply.
The 'fewer natural resources" is applicable assuming they are currently depleting their natural resources.
Mining
The Pacific islands have a great amount of minerals
The seismic wave can tell the scientists about the earth's layers.<span />