Which area of latin america experiences the most volcanic activity?

a.
central america

b.
south america

c.
caribbean

d.
mexico

If any state tribunal decides a federal question and the litigant has no further remedy within the state court system, from which of the following remedies could the litigant possibly benefit? a.a hearing by a us district courtb.a hearing by a federal court of appealsc.a hearing by the us supreme courtd.a congressional vote b, the correct one!