As head of Americaâs largest oil company, Mr. Tillerson has earned a friendship award from Russia and voiced skepticism about American sanctions that have halted some of Exxon Mobilâs biggest projects in the country.
Top 10 facts about the world. Welts are bumps in the skin that are caused by a fluid buildup directly below the surface of the skin. A number of things can lead to the development of a welt, ranging from trauma to the skin to an allergic reaction.
So if you have a mysterious bump on your skin, here are ten common skin conditions that could be responsibleâ¦. Hives develop as an allergic reaction to food, environmental surroundings (i.e., dust), or medication. They form a rash of annoying and raised itchy welts that can also burn. Hives will appear anywhere on the body in a few raised spots or they will join together to create one larger patch of raised, itchy skin that can last up to a few days.