Answer:
El Salvador
Explanation:
While the majority of the republics have both the Caribbean and a Pacific coast, Belize only has a Caribbean coast and El Salvador only has a Pacific coast. Central America comprises the countries south of Mexico and up to Panama.
Colliding boundaries are convergent so the boundary would be convergent.
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Based on the metamorphic rock at Van Hise Rock, Rock Springs, the protoliths will become quartzite and phyllite.
<h3>What rocks will the protoliths form?</h3>
The Sandstone(Quartz) will go through processes and eventually deform into the rock known as quartzite.
Shale will go through similar degradation processes to become the rock, phyllite.
Find out more on protoliths at brainly.com/question/13496997.
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