Answer: A.The relative humidity is higher at Harry’s school than at Roberta’s house.
Explanation:
Relative humidity simply tells us the amount of water vapor that is in the air, when it's being compared to the amount of water vapor that can be held at that particular temperature.
Since the dry bulb temperature reading of both Harry and Roberta is 58°F but wet bulb reads 45°F for Harry and 50°F for Roberta, we can posit that the relative humidity is higher at Harry’s school than at Roberta’s house.
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