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A sunscreen with a SPF of 30, when applied properly, protects against approximately _________________ of the sun's UVB rays. A.30% B.70% C.97% D.50%​
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A sunscreen with a SPF of 30, when applied properly, protects against approximately _________________ of the sun's UVB rays.

A.30%
B.70%
C.97%
D.50%​

User Little Santi
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2 Answers

4 votes
the answer to this is A
User Bcf Ant
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7.1k points
2 votes
A. 30% because SPF mean sun protection factor
User Kenttam
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7.0k points
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