Answer: D. Current is the rate at which charge flows. Charge will not flow in a circuit unless there is an energy source capable of creating an electric potential difference and unless there is a closed conducting loop through which the charge can move. 2.
Otolaryngology (pronounced oh/toe/lair/in/goll/oh/jee) is the oldest medical specialty in the United States. Otolaryngologists are physicians trained in the medical and surgical management and treatment of patients with diseases and disorders of the ear, nose, throat (ENT), and related structures of the head and neck. They are commonly referred to as ENT physicians.
An optometrist is an eye doctor who is professionally licensed to to examine, diagnose, treat, and manage diseases and disorders of the eye and visual system and are considered the primary eye care practitioner. These eye doctors, referred to as doctors of optometry (OD), prescribe eyeglasses and contact lenses.