Which question is based on these observations?
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a. how much energy does it take a bee to fly for 10 seconds?
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b. what is the primary energy source for a bee?
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c. how many bees are located in north america?
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d. where do bees usually build their hives?

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

the correct answer is b