The statement that is true : Sunburn is a disease due to physical or environmental agents.
Sunburn is a prolong exposure to the sun for a period of time, eventually it burns, turning red and irritated. The sun gives off three wavelengths of the ultraviolet light: UVA, UVB and UVC.
The two types of wavelengths; UVA and UVB not only reach the beach towel but penetrates skin. And skin damage is an effect of these. Having sun damage is not visible always. Under the surface, UV light can alter DNA and untimely aging skin. Over time, DNA damage can cause skin cancers involving deadly metanoma.
