All of the following are examples of hypnotism methods a) hypnotic regression b) self-hypnosis c) hypnosis certification d) posthypnotic suggestion

C) Hypnosis Certification this is only showing your certification and not a method of hypnosis

Answer: buoyancy forceexplanation: in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.

Efficiency is an action of doing something. for example when you take a test. good efficiency means you did well but bad effeciency or no effiency means you did bad.