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.
The Sun is the main source of energy for convection in the atmosphere and the oceans.    The Sun, heat radiated form the Sun is the main source of energy  driving convecâ¦tion in the atmosphere and oceans. There is also a  small input form geothermal energy. Ã£Ã£Â¤Leeziitha XD.