Which of the following is not a chemical reaction that decomposes rock O oxidation
O hydrolysis
O carbonation
O replacement

replacement

Explanation:

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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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