This Image Depicts the Metal Displacement Process of ____

question 9

Multiple Choice

This image depicts the metal displacement process of ____.    

• A) hobbing
• B) etching
• C) electroforming
• D) electrical-discharge

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Definitions:

Control Group

In research, a control group is a group of subjects not exposed to the experimental treatment, used as a benchmark to measure the effect of the treatment.

Independent Variable

A variable that is manipulated in an experiment to see its effect on a dependent variable.

Observational Group

A group in a study that is exposed to the variable under investigation for observational purposes without receiving the experimental treatment.

Independent Variable

In experimental research, the variable that is manipulated by the researcher to observe its effect on the dependent variable.