How is forensic science implemented?

In an interrogation, forensic investigators gather, store, and examine scientific proof. Even though some investigators travel to the crime scene to retrieve the samples directly, others carry on a lab function, conducting analyzes of items delivered to them by other people. In the term forensic refers to a public conversation or review. Since trials were usually conducted in open in the old world it brings a clear connotation of the judiciary, while science is related with truth by applying scientific method or a systematic way of knowledge acquisition.

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answer; i believe the correct answer to the above question is ( friction)