Please answer this: Two neighboring towns from Texas produced their food in different ways. Silver town was sustainable and didn't use any fertilizers or pesticides, while Gold town did.  Which town played its part in causing a large dead zone in the Gulf of Mexico ?
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Answer: Gold


Please answer this: Harry and Kim studied ancient humans. Kim studied a 15000 year-old settlement, before humans invented agriculture, while Harry studied a 5000 year-old village.  Which student studied about a village that had more diseases that spread from domestic animals?
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Answer: Harry


Please answer this: The marine biologists studied two areas of the Black Sea. Area A, situated at the mouth of the Danube River, which presented high levels of water stratification, because of the fresh water discharged by the river; and area B, situated 35 miles south, where the water was less stratified and more oxygenated.  Which of the two areas had more salinity?
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Answer: