Eyelid rashes are a common problem, especially for women, and can be caused by a variety of allergic reactions and autoimmune diseases. The skin over the eyelids is very thin, and is especially susceptible to rashes caused by an allergy.
Look on your cell phone box.Option 2. Look on your bill from you cell phone service provider. Option 3. Power up your phone. Many phones will display the model number when the phone is first powering up.
However, most people do not understand the physics of a cell phone. The purpose of this unit of The Physics of Cell Phones is designed to provide students in grades 5-8 the opportunity to explore and to solve problems about the physics of how cell phones work.