Mark and his brother Jeffrey have to leave their cars outside because their parents' cars take up the entire garage. Mark's car has a very dark interior, while Jeffrey's car has a lighter colored interior. It is mid-afternoon on a sunny day in July, and Mark and Jeffrey are deciding which car they want to take to go to the movies. Which car, Mark's or Jeffrey's, will reflect less sunlight?
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Answer: Mark's

Ben and Jack both loved microorganisms. Jack decided to study more about lactic fermentation, while Ben decided to study more about protozoa. Which person read less about lactic acid causing tooth decay?
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Answer: Ben

Mike is a physician who treats HIV-infected patients. Today, he is seeing two patients, patient A and patient B. Patient A is infected with HIV, but patient B is not infected with HIV. Mike is trying to figure out how HIV-infected patient is different from the patient who is not infected with HIV. Would patient B have more or less T cells than patient A?
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Answer:
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