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OpenStudy (warriorz13):

What's the recommend amount of UV protection that sunglasses should provide? A. 50% B. 75% C. 80% D. 100%

OpenStudy (warriorz13):

@grabill

OpenStudy (anonymous):

d

OpenStudy (warriorz13):

One way to ensure good sleep hygiene is to change your bedtime frequently. Please select the best answer from the choices provided. T F

OpenStudy (anonymous):

false

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