Harry Hoopla
The good, the bad, and the fiery in Harry Potter news by Holly Hartman
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HEARING ABILITYDOPPLER EFFECTULTRASOUNDFIND OUT MORESound can be low-pitched, like the rumble of a large truck, or high-pitched, like a whistle. The pitch of a sound depends on the frequency of…
Factoring by Grouping
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Biographies
Deaths of 2014
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First Federal Obesity Guidelines:More than Half of All Americans are Too Fat Source: National Heart, Lung and Blood Institute Overweight and obesity continue to be an alarming public health problem…
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