which type of evidence is an example of testimony? research studies census figures eyewitness accounts…

Brief Explanations:

Testimony refers to a statement or declaration made under oath. Eyewitness accounts are statements given by individuals who have directly observed an event, which is a form of testimony. Research studies are based on scientific methods, census - figures are statistical data, and historical instances are past events described, none of which are the same as personal testimony.

Answer:

C. eyewitness accounts