[Q]: Two counties paid a study about acid rain. They found out Hill county had experienced that, while New county hadn't. Which county experienced more precipitation destructive to freshwater habitats?
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[A]: Hill

[Q]: Bay city practiced organic farming and used almost no fertilizers. Gulf city practiced conventional farming for it inhabitants, and used vast quantities of fertilizers. Which city caused the entry of less agriculture fertilizer into the ocean?
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[A]: Bay

[Q]: John has just started working at a new company. Although he has been in the workforce for many years, this is a new position for him, and he is excited for it. Two weeks after starting, John's branch of the company is hosting a retirement party for one of the longest tenured employees at the office, Brad. Although Brad has enjoyed his time at the company, he says he is excited to be able to take time to himself and relax each day instead of coming into the office. Does John more likely have more or less brain cells than Brad?
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[A]: more

[Q]: John is comparing his medical record with his father's and son's medical records. John is 40 years old; his father is 70 years old; and his son is 10 years old. It appears that both John and his father has Retinitis. But his son does not have Retinitis. Whould Retinitis be a leading cause or minor cause of blindness for John's father?
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[A]:
minor cause