Which of the following describes the function of a catalyst?%0D%0A%0D%0A a%0D%0AIt speeds up a chemical reaction.%0D%0A b%0D%0AIt makes a chemical reaction stop immediately.%0D%0A c%0D%0AIt decreases the speed of a chemical reaction to control the reaction rate.%0D%0A d%0D%0AIt takes part in a chemical reaction to create different products.
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a. It speeds up a chemical reaction.
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