How does a catalyst influence a chemical reaction?
it speeds up or slows down a chemical reaction by direct participation.
it reacts with products to increase the concentration of reactants.
it provides an alternative energy pathway for the reaction to proceed.
it increases the total amount of products formed.

A

Explanation:

catalyst speed up a chemical reaction without being consumed in the reaction

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…

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