[Q]: John was interested in the Sun's radiations that Earth receives. One of the radiations was in the ultraviolet spectrum. He categorized it as spec A. The other radiation was the visible light. He categorized it as spec B. He then searched online to find the pros and cons of each of them. In spec B, would the radiation be less or more hazardous than in spec A?
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[A]: less

[Q]: John studies erosion of soil due to ocean wave. To facilitate his study he measured wave in three different points, point A, point B, and point C. Point A is in deep water. Point B is in shallow water, and point C is in even shallower water. He needs to publish his findings after analyzing the data. At which point the free orbital motion of the water would not be broken, point A or point B?
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[A]: point A

[Q]: Mike lives in a cold mid-western city, where there is not much predator prey interaction. Mike noticed that in his city some squirrels have darker coat, while others have lighter coat. He also knew that darker coats are more suitable in cold environment with less predator prey interaction. He started thinking why the squirrels developed different coat colors. Would lighter squirrels have greater or smaller chance of survival than darker squirrels?
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[A]: smaller

[Q]: Research team Alpha learned about early human activities, from 200000 years ago, while team Gamma learned about late human activities, 40000 years ago to present times. Which team learned about humans that lived in small populations of nomadic hunters?
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[A]:
team Alpha