Tornado alley refers mostly to which area of the united statesa) southeastb) new englandc) midwestd) mid-atlantic

C) Midwest. is your best answer.  The tornado alley is located around the Great plains, which stretch in the historically known place as the Louisiana Purchase area,.  Hope this helps

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explanation:

c. seafloor spreading occurs.

d. crust becomes molten rock.

e. denser plates slide under lighter plates.