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OpenStudy (anonymous):

What causes a change in the earth’s crust? a. plate tectonics c. volcanoes b. continental drift d. all of the above

OpenStudy (anonymous):

I think is A.plate tectonics

OpenStudy (anonymous):

oh ok thanks im bad with history

OpenStudy (justuu):

Can you please close this question if your done with it?Thank you..

OpenStudy (anonymous):

Your welcome

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