In addition to their main economic activities, many caribbean nations rely on .
a. foriegn aids
b. loans
c. tourism
d. all of the above

answer; (d) one tectonic plate plunges beneath another; (most common,convergent boundaries)

the earthquake in haiti was a magnitude of 7.0 according to the u.s geological survey yet the smaller earthquake in haiti killed more than 200,000 and left more than 1.2 million people homeless. the chile earthquake was a magnitude of 8.8 and 500 times more stronger but chile's earthquake only injured 712 people.