Justin and Thomas are two college students conducting an experiment in their chemistry laboratory course. They are mixing together acids and bases to produce sodium based compounds. Justin conducts his reactions at a high temperature, while Thomas conducts his reactions at a lower temperature. In which person's reactions will the acid and base particles be less likely to collide with each other?
Ans: Thomas

A war has started. In this war, no side shows a clear side of winning and the casualties are already high. In a desperate attempt to end the war quickly country A decides it wants to try to drop an atomic bomb on country B. They succeed. Given a power plant, will the nuclear chain reaction happening inside be controlled or uncontrolled?
Ans: controlled

Mary and Beth both went to see their blood test results. The Doc told Mary she has high cholesterol and she had to change her diet and lifestyle. Beth had a normal cholesterol level. Which patient had a lower chance of having a stroke?
Ans: Beth

Two medical school students named Dan and Bob learned about the human immune system. Dan studied more about the subject, and became very interested to pursue it more in the future. Which student studied less about the effects of bacteria entering the skin through a scrape?
Ans: Bob