Please answer this: Peet farm was supplying a nearby city with organic milk. Toad farm was a competitor on the same market, but they didn't produce organic milk, they used conventional agricultural methods. Which farm leached more nitrates (NO3)?
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Answer: Toad

Please answer this: Mike and John are brothers. Their dad sent them to the doctor's office to get tested for hepatitis because Mike was feeling sick all the time. It turned out Mike has hepatitis B, while John doesn't. Which brother doesn't have a disease which causes yellowing of the eyes?
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Answer: John

Please answer this: Two students studied the atmosphere of Earth and other planets from our solar system. Zack learned about Earth's atmosphere, while Ken learned about the atmospheric conditions on planet Venus. Which student learned more about corrosive sulfuric acid?
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Answer:
Ken