Please answer this: 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 had excess calcium salts being deposited in the kidneys?
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Answer: Ann

Please answer this: Two groups of runners attended a 5k event downtown. Brown group warmed up properly before the race, but Red group did no such thing and suffered the consequences. Which group jogged slowly to increase their heart rate?
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Answer: Brown

Please answer this: Beijing recently opened several new coal-fired power plants over the last few months. In Montreal, there have been large reductions in sulfur oxides produced by manufacturing plants after a recent referendum. Aquatic life in the freshwater habitats of which area is more at risk of dying?
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Answer:
Beijing