When two plates separate at a divergent boundary, creates new crust. A. rising magma B. sediment C. seawater D. molten nickel Please select the best answer from the choices provided A B C D

Choice A is correct.

Explanation:

When two plates separate at a divergent boundary, rising magma creates new crust.

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the answer would be the third option, "no, ariel should have added 9^2 and 12^2 and compared that to 15^2."

this is found through the pythagorean theorem, which is a^2 + b^2 = c^2.

this is the correct way of solving the problem:

9^2 + 12^2 = 15^2

81 + 144 = 225

225 = 225