B: México and the United States share the southern border
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<span>As with igneous and sedimentary rocks, metamorphic rocks are classified on the basis of texture (grain size, shape, orientation) and mineral composition. However, the classifiction of metamorphic rocks is more difficult to get into than with igneousand sedimentary rocks, for a couple of reasons.</span>
Monandas Gandhi
(you will need to add more background.) he stood for peace and caused others to be at peace around him