Rekabooid
Answered

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.

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Kittygirl123id
to uv rays is your answer. ;)

Bufjasmineid
It important to avoid tanning salons and wear a hat, sunglasses, and protective clothing whenever you spend time outside because they protect you fromexcessive exposure to ultraviolet rays  which causes melanoma and other types of skin cancer. 
Hope I helped, and good luck!