Why do geology students have a particular interest in the arbuckle mountains?
a.
erosion has destroyed the mountain’s core.
b.
erosion has threatened the stability of tectonic plates.
c.
erosion has revealed unusual rock formations.
d.
erosion has revealed large pockets of gold and silver.

C is the only one with the word “rock” in it, so I’d go with that

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else