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.
6. What causes waves on the ocean? Wind causes waves on the ocean. 7. What are the waves in the Earth called (Earthquake waves)? The waves in the Earth are called seismic waves. 8. Define frequency. Frequency is how fast a wave travels. 9. Define amplitude. Amplitude is the height of the wave. 10. What kind of wave travels by squeezing and spreading? (Give an example). Compression waves travel by squeezing and spreading. 11. What is it called when a wave bounces back and comes back to the source? It is called an echo or a reflection when a wave bounces back and comes back to the source. 12. What is sonar? Sonar is using sound waves to tell how far something is.