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 absorb less sunlight?
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Answer: Jeffrey's

Ryan is carrying groceries from his car back to his apartment when he trips and falls landing on his knees. Embarrassed, he gets back up, picks up his groceries and carries them into his apartment with his head down. After putting his groceries away, he notices that although both of his knees are scraped, only his left knee is warm to the touch. His right knee feels cool when he puts his hand on it. Will Ryan's right knee hurt more or less than his left knee?
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Answer: less

Two sisters went in for a medical examination. Mary had normal blood calcium level, but her sister Ann sadly found out that she has a condition named hypercalcaemia. Ann started a new treatment right away. Which sister didn't have excess calcium salts being deposited in the heart?
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Answer:
Mary