Please help, I think the answer is on chegg if you have that
This graph illustrates how an enzyme catalyzes reactions in biological systems. To start a reaction, a certain amount of energy must be absorbed by the reactants. This is called the energy of activation. Which of the following is the normal energy of activation?

a is energy of activation.

Explanation: Because energy of activation is the minimum energy which must be provided to a chemical or nuclear system with potential reactants to result in a chemical reaction, nuclear reaction, or various other physical phenomena.

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…