1 Common rashes include eczema, poison ivy, hives, and athlete's foot. 2  Infections that cause rashes may be fungal, bacterial, parasitic, or viral.  Over-the-counter products may be helpful treatments for many skin rashes.
The conditions under which this process occurs happen in two ways. According to the Cornell Center for... Atoms emit a photon when an electron falls from a high-energy state to a low-energy state. The conditions under which this process occurs happen in two ways. According to the Cornell Center for...
Quick Answer. When the electrons located inside an atom become excited, they emit radiation or light. Every electron in an atom is housed in a shell that contains its own frequency, which will begin to oscillate when heat or an electric field is applied to the atom. Continue Reading.