Addiction: Central nervous system (CNS) stimulants are addictive, even if they are not abused. Many factors, including the patient's personal history, the type of stimulant that is being taken, the dose of the drug, and duration of use, influence how likely an individual is to become addicted.
The source of all waves - mechanical or electromagnetic - is something that is vibrating. Matthew Donovan.
When an earthquake occurs, energy radiates in all directions from its source. When an earthquake occurs, energy radiates in all directions from its source. The source is also referred to as the ________.