Answer:
the warm tropical climate is southeast and the great basin is southwest the volcanic islands is the pacific islands then the Midwest is for climate with four distinct seasons
Oceanic Crust
Continental Crust
Oceanic crust is denser than continental, this is why continents are at higher elevation than oceans.
The answer is
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Hope I helped!
~ Zoe
The astronomical event that represents the great serpent mound is Halley's Comet.