Respuesta :
The answer is letter C.
An etching reagent is used to recover serial numbers.
An etching reagent is used to recover serial numbers.
Answer:
The answer is: C) An etching reagent.
Explanation:
Serial numbers are used as unique identification marks for a variety of items.
Etching reagent is the most common and successful method for restoring serial numbers on the metal surface.
The answer is: C) An etching reagent.