1. The Negative Effects of Tanning
The UVC is the shortest of the rays measuring one hundred to two hundred ninety nano meters (Brannon). ... Ranging from two hundred ninety to three hundred twenty nano meters are the UVB rays (Brannon). The longest ray is the UVA ray varying from three hundred twenty nano meters to four hundred nano meters (Brannon). ... Due to modern technology, there are now surgeries that make cataracts curable. ...
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- Grade Level: High School