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Flognog Flognog
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Posts: 478
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6 years ago
Applying a sunscreen with a sun protection factor (SPF) of 15 means that ___.
 a. your risk of sunburn is less by a ratio of 15:1
 b. your skin will take 15 times longer to burn than it would with no lotion
  c. you can be safely exposed to the sun over the next 15 hours
 d. your skin will take 15 times longer to tan than it would with no lotion
  e. you can be safely exposed to the sun in 15-minute increments
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timmyisbaetimmyisbae
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6 years ago
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