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...
The excited electron emits the energizing energy as photons of visible light. The bow de-energized electron returns to is ground state, which is its normal distance from the nucleus. For the light production to be continuous instead of just a light flash, the energizing source of energy must be continuous.