[Q]: Greg is studying the environmental impact of agriculture. He noticed that in his own state a lake near agricultural lands has been declared as a dead zone. For his study Greg labeled this zone as zone A. Then he found near a national park in his state a lake is not declared as a dead zone. To further his study he labeled this zone as zone B. In which zone more organisms would grow, zone A or zone B?
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[A]: zone B

[Q]: Jim and Robert are identical twins both getting their yearly physical check ups at the doctor's office. They are trying to figure out if they are at risk for any future health problems. Both of them consume the same diet and exercise the same amount, and were both raised in the exact same environment. But, Jim has smoked tobacco frequently for several years and Robert has never smoked tobacco in his life. Who is at a higher risk for getting mouth cancer in the future?
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[A]: Jim

[Q]: Two brothers went to the doctor's office for a medical exam and blood tests. Dan found out he is healthy and had normal blood cholesterol and calcium levels. Ben however, was told that he had a disease called hypercalcaemia and had to start a treatment for that. Which brother experienced less nausea?
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[A]: Dan

[Q]: Bess and Dee were two entomologists. they were studying ants. Dee liked to learn more about leaf cutter ants, while Bess learned all she could about all other ants. Which person read more about ants which build fungal gardens?
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[A]:
Dee