Ken is a microbiologist. He got two samples of yeasts, yeast A and yeast B, from two different businesses. Yeast A is used in a bakery, and yeast B is used in a brewery. He has to decide the characteristics of each yeast sample for further study. Interestingly, despite all his curiosity, Ken doesn't like any yeast to be around him. Given the paragraph above, please answer correctly the following question: Would yeast A be used as a leavening agent or not be used as a leavening agent?
Ans: as a leavening agent

Dan and Fred were friends. they studied Biology at the same University. Fred studied bird reproduction this semester, while Dan studied fish reproduction. Given the paragraph above, please answer correctly the following question: Which friend studied less about eggs developing outside of the mother's body?
Ans: Fred

Ned learned about reactions at a higher temperature for his physics class, while Paul had to learn about reactions at lower temperatures. Given the paragraph above, please answer correctly the following question: Which person studied about particles of reactants having more energy?
Ans: Ned

Students in a chemistry class are performing experiments using two different compounds. The first compound, compound A, has a high number of hydrogen bonds between molecules of the compound. The second compound, compound B, has a low number of hydrogen bonds between the molecules of the compound. Aside from this difference, the molecular structure between the two compounds is similar. Given the paragraph above, please answer correctly the following question: Which compound will require more energy to undergo state changes?
Ans: compound A