During the early 1800s, these professionals regularly appeared in court to answer questions related to physical evidence. chemistry forensic science legal medical

Forensic science

In early 1800s, the professional investigators regularly attend court trial to answer questions related to physical evidence, which is described as forensic science. The study of physical evidence is a practical tool to assist police in conducting investigations by developing a sense of how the crime was committed. Therefore, the application of forensic science is a great help in solving crime.

conservation of mass

mass before something happens = mass afterwards