Gum could possibly be just as effective as flossing, even though they each target different areas of the mouth. Chewing gum does not remove bacteria from the same places of the dentition as does brushing or flossing.
Dictionary.com defines a passive restraint as âa safety device, as an air bag or special seat belt, that is activated automatically to protect an automobile passenger at the moment of impact when a collision occurs.â Passive restraints are not limited to vehicular safety.
Passive margin. A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin. A passive margin forms by sedimentation above an ancient rift, now marked by transitional lithosphere. Continental rifting creates new ocean basins.