subduction zones in the tectonic plates,,as the plates move material is pushed down and the pressure is released at volcano's Source(s): http://en.wikipedia.org/wiki/Volcanos http://en.wikipedia.org/wiki/Tectonic_pl...
A body cavity search is either a visual search or a manual internal inspection of body cavities for prohibited materials (contraband), such as illegal drugs, money, jewelry, or weapons.Body cavities used for concealment include nostrils, ears, mouth, navel, penis (urethra and foreskin) or vagina, and rectum.n a thorough visual body cavity search, a flashlight is used to illuminate body orifices, including nostrils, ears, mouth, navel, penis (urethra and foreskin) or vagina, and rectum. Generally, the detainee is required to manipulate these body parts so that they can be examined.
In a basic laser, a chamber called a cavity is designed to internally reflect infrared (IR), visible-light, or ultraviolet (UV) waves so they reinforce each other. The cavity can contain gases, liquids, or solids. The choice of cavity material determines the wavelength of the output.asers work as a result of resonant effects. The output of a laser is a coherent electromagnetic field. In a coherent beam of electromagnetic energy, all the waves have the same frequency and phase.