For example, in the fraction 3/4, the numerator, 3, tells us that the fraction represents 3 equal parts, and the denominator, 4, tells us that 4 parts make up a whole. The picture to the right illustrates 3 4 {\displaystyle {\tfrac {3}{4}}} or Â¾ of a cake.
The Causes of Sunburn Blisters. Sunburn blisters are a result of overexposure to the UVA and UVB rays in the sun. â¢ UVA. These harmful rays penetrate deep into the bottom skin layers and damage the production of new skin cells. High doses of UVA rays will cause sunburn blisters.
En EspaÃ±ol. Sunburn â the skin reddening caused by overexposure to the sunâs harmful ultraviolet (UV) radiation â may seem like just a temporary irritation, but sunburns can cause long-lasting damage to the skin. Donât get burned: Read the articles below to learn all about The Skin Cancer Foundationâs expert advice on sunburn prevention, treatment, and relief!