[Q]: Andre is interested in radiation and decides to buy a Geiger counter. He takes his new Geiger counter near the power plant in his town and it starts clicking as he gets closer. As he leaves the area around the power plant and goes home the Geiger counter clicks slower and slower until it almost stops completely. Which area has more radiation, the power plant or Andre's home?
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[A]: Andre's home

[Q]: John was interested in climate change issues. To that end, he studied two imaginary situations, case A and case B. In case A, there would not be excessive greenhouse gases in the atmosphere. On the contrary, in case B, the amount of greenhouse gases in the atmosphere would increase dramatically. John realized that the amount of greenhouse gases in the atmosphere has many practical implications. In case B would less or more of the longer wavelength be absobed in the atmosphere than case A?
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[A]: more

[Q]: Barb and Dee studied chemistry for a school project. After little debate they decided that Dee will study volatile gases, and Barb will study greenhouse gasses. Which girl studied more about the greenhouse effect?
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[A]: Barb

[Q]: 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 an excessive secretion of parathyroid hormone (PTH)?
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[A]:
Mary