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Why are hurricanes named after people, and in a certain order? ask Melissa Vallance and Kelli Day, students in Holtsville, NY. While a tornado would have skipped to the next county and disappeared before you could call it “Ralph,” hurricanes take their sweet time building up their winds, moving towards coastlines and back out to [...] Why do leaves change color in the fall? asks Patricia Brown, of New York City. Autumn’s cool days are trimmed with deep blue skies and golden light, and brilliant leaves of yellow, orange and red. Leaves changing color in the fall are a tree’s way of preparing for long winter, rather like we put up [...] |
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