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.
1 Pre-cancerous growths are also fostered by sunburns. 2  This is one of the extremely harmful effects of sunburn. 3  Sunburns can cause skin blistering, chills and fevers, temporary pains and redness of the skin. 4  Photosensitive reactions may also occur due to overexposure to the harmful radiation of the sun.