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If a Sunscreen Has an SPF of 20, Which of the Following

Question 29

Multiple Choice

If a sunscreen has an SPF of 20, which of the following statements is correct?


A) The person should apply the sunscreen every 20 minutes.
B) The person will receive 20% less sun than a person who is not wearing sunscreen.
C) The person will be 20% less likely to receive a sunburn.
D) It would require 20 times longer to sustain the same amount of UV radiation with the sunscreen than without.
E) It would require that a person applies the product 20 times in a day to avoid full UV radiation.

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