Which statement is true of a catalyst in a reaction? A. It acts as a reactant, in place of the original reactant.

B. It gets used up in the reaction.

C. It changes the activation energy required for the reaction.

D. It makes a reaction faster by adding energy.

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Explanation:

The answer is=>C. It changes the activation energy required for the reaction.

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a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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im not to sure what it is