[Q]: Two friends met after 20 years. Tom had been smoking tobacco all these years and had some health problems related to that, while Randy quit smoking 25 years ago. Which friend was exposed less to one of the main sources of chemical carcinogens?
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[A]: Randy

[Q]: Greg was studying behavior of different organisms. He noticed that some organisms were showing inquiline behavior. He noted that behavior as case A. Then he noticed some other organisms didn't show any inquiline behavior. He noted that behavior as case B. He was astonished by the complicated interactions among organisms. Would case B see greater or smaller opportunity for food sources than case A?
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[A]: smaller

[Q]: Two nearby villages are experiencing earthquakes. Bow village gets a lot of earthquakes annually, while Arrow village gets only a few. Which village gets less convection within the Earth?
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[A]: Arrow

[Q]: A small boy is playing with some magnets. He takes the north ends of 2 magnets and tries to push them together, he gets them close and lets one of watching it bounce backwards. He then takes two opposite poles and slowly pushes them together Will working against an attractive or repulsive force increase or decrease potential energy?
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[A]:
increase