[Q]: Two groups of students made some experiments for school. Group A used brewer's yeast on flower and tried to make bread. and Group B brewed beer with brewer's yeast. the experiments happened vice-versa as well. Which yeast is better for making beer?
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[A]: brewer's

[Q]: White mountains are often visited by tourists because of the many beautiful caves, stalactites, stalagmites and karst phenomena. Dome mountains are interesting to tourists because they are very massive, of volcanic origin and excellent for climbing. Which mountain is made of more soluble rock?
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[A]: White

[Q]: Carson is a construction worker that operates a jack hammer on the construction site for a new building. The jack hammer is often incredibly loud and generates a high amount of noise. Carson wants to protect himself from this noise, but he also needs to be able to hear the orders given to him by his boss on the site. Would electronic ear protectors reduce or increase the amplitude of the jackhammer?
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[A]: reduce

[Q]: Bob and Andy are two microbiologists. They are studying bacteria: Bob studies nitrogen fixating bacteria, while Andy studies non-respiratory and facultative anaerobes. Which researcher learned more about sulfate reduction?
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[A]:
Bob