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.
This includes burns from heat, chemicals, and sunburns. Allergic eczema is a skin condition that is caused or worsened by allergens and can produce blisters. Another type of eczema, dyshidrotic eczema, also causes blistering, but its cause is unknown, and it tends to come and go. Blistering can also be a symptom of certain infections.