I would think it is a technological monopoly.
A body wave<span> is a seismic </span>wave<span> that moves through the interior of the earth, as opposed to surface </span>waves<span> that travel near the earth's surface. P and S </span>waves<span> are </span>body waves<span>. Each type of </span>wave<span> shakes the ground in different ways.
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Answer:
Central America: El Salvador, Guatemala, Panama, Honduras
Caribbean: Jamaica, Cuba, Puerto Rico
Explanation:
The countries of Central America: are Panama, Costa Rica, Honduras, Nicaragua, Guatemala, El Salvador, and Belize.
The countries/islands of Caribbean: Cuba, Jamaica, Haiti, Dominican Republic, Puerto Rico, Anguilla, Antigua and Barbuda, Saint Kitts and Nevis, Montserrat, Guadeloupe, Barbados, The Bahamas, Grenada, and much more (these are all the ones I remember)