Answer:
Three
Explanation:
Throughout many years within it's history; The English language has been divided into three main periods: Old English (which occurred during 450-1100 AD), Middle English (which occurred during 1100-circa 1500 AD) and Modern English (which occurred since 1500)
Class versus individual characteristics: glass and tool marks versus fingerprints, hair and blood is an example of it. The items listed are things that are going to be mentioned in the chapter, which I think will present information that can help us understand criminal investigation better. We are going to learn how much Forensic files and DNA evidences are important in some criminal cases, as well as how all of the above data is collected in a crime scene.
