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Biology 21 Online
OpenStudy (anonymous):

It important to avoid tanning salons and wear a hat, sunglasses, and protective clothing whenever you spend time outside because they protect you from excessive exposure to_____ ,________ which causes melanoma and other types of skin cancer.

OpenStudy (anonymous):

2nd is ultraviolet and first one is related to related to air

OpenStudy (anonymous):

pollution?

OpenStudy (anonymous):

yup i think so

OpenStudy (jtfan2000):

chemical pollution

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