Two groups of people when to the doctor. Group A had myopia, while group B had nearsightedness. Both groups got eyeglasses for their conditions. Which group had more people that spend a lot of time playing at the computer?
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Answer: group B

David was studying the processes involved in a machine. He collected a simple machine. He tagged it as case A. To compare it with compound machines, he collected two compound machines, case B and case C. Case B is a compound machine with few simple machines. And, case C is a compound machine with many simple machines. Would case C have greater or smaller mechanical advantage than case B?
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Answer: greater

The health inspectors reviewed data from two villages, Key and Auburn. Key village presented higher levels of both indoor and outdoor pollution. Which village had a lower number of health issues?
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Answer:
Auburn