nderon8Jennbr3ookie nderon8Jennbr3ookie

26-02-2017
Physics

contestada

1)what's the recommend amount of uv protection that sunglasses should provide?
a.50%
b.75%
c.80%
d.100%2)one way to ensure good sleep hygiene is to change your bedtime frequently.truefalse

Respuesta :

Sarah212 Sarah212

26-02-2017

C.) 80% is the answer...

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lychee1406 lychee1406

26-02-2017

C is the answer. !? 80%

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