Problem: Rob is studying medicine in a prestigious university. Today, his professor is teaching about blood glucose levels. He gave example of two patients, patient A and patient B. Patient A had high blood glucose level, but patient B had low blood glucose level. Rob was amazed to find how body keeps its balance. Which patient is less likely to produce the hormone glucagon, patient A or patient B?

A: patient A

Problem: Two farms had different plant cultivation methods. Jolly farm adopted the permaculture methods created by Sepp Holzer, while Peach farm continued using fertilizers and pesticides. Which farm caused more fertilizer to dissolve in rain water?

A: Peach

Problem: John wanted to invent a machine. To that end, he devised an experiment in which he used three components, comp A, comp B, and comp C. Comp A was a machine that applied force over a shorter distance. Comp B was also a machine, but it applied force over a longer distance. Comp C was not a machine. Would comp C less likely or more likely make work easier than comp A?

A: less likely

Problem: Two brothers loved geology. Bob studied sedimentary rocks while Dan studied about earthquakes and their location. Which brother studied less about how rocks usually move several centimeters?

A:
Bob