4 Detective Scott worked to solve crimes in the 1910s in America. How did he MOST likely work to solve cases?
O A. He searched the FBI lab's database for similar crimes and suspects.
OB.
He recorded fingerprints from every crime scene and looked for a match.
Ос.
He used DNA testing to compare evidence to possible criminals.
OD
He looked for basic connections between the criminal and the crime.
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Ос.  He used DNA testing to compare evidence to possible criminals.

Explanation:

Detective Scott worked to solve cases by the use of DNA testing which is an efficient way to solve a criminal case because DNA testing provides all information about the criminal. Due to this DNA testing, he solved many cases  and the criminal caught with the help of this testing. If he can't use this DNA testing method then the case would not be solved.

i think it is d. objects resist changes in their state of motion.