Earthquake epicenters were mapped for a 35 year period in the diagram above. the black dots making the epicenters also represent what feature on earth? a hot spots b rift zones c plate boundaries d sea floor spreading

Try letter D and if that doesn't work then try A

the answer is C- Plate Boundaries

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try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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