Answer:
We know that the Great Plains are older than the Rocky Mountains because the Great Plains are more eroded than the Rocky Mountains.
<span>Seamounts form by submarine volcanism. After repeated eruptions, the volcano builds upwards into shallower water. If a seamount eventually breaches the water's surface, it becomes an island. ... They may form in groups or clusters, or can be found aligned in submarine volcanic mountain chains known as oceanic ridges.</span>
True!
60"= 1
59'+1=60'
60'=1
24+1= 25°
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