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.
Sunburn signs and symptoms include: 1  Pinkness or redness. 2  Skin that feels warm or hot to the touch. 3  Pain, tenderness or itching. 4  Swelling. 5  Small fluid-filled blisters, which may break.6  Headache, fever, chills and fatigue if the sunburn is severe.our eyes, which are extremely sensitive to the sun's UV light, also can burn. Sunburned eyes may feel painful or gritty. Signs and symptoms of sunburn usually appear within a few hours after sun exposure.