Answer:
it's a test used in criminology for determining the human or other source of a bloodstain.
The precipitin test identifies whether or not blood found on a crime scene is human or another species. Knowing the origin of the blood helps the forensic lab determine whose blood it is. The precipitin test can be preformed directly at the crime scene, this way you do not have to send false samples to the laboratory.
The precipitin test measures the response from the immune system of another animal by making anti-human antibodies to protect from human blood proteins.
Ans: Sir Robert Peel, the British Home Secretary, coined the term 'bobbies' as a nickname for cops and he believed policing needed to be restructured. In 1829 he passed the Metropolitan Police Act, which created the first British police force and what the 21st century knows for today's modern-day police.
King John demanded soldiers or money from his barons in order to carry on a war in France over disputed lands. Many of the barons believed that the dispute between John and the French king was none of their business. So, they refused to send King John knights or pay what amounted to a special tax.
BRAINLIEST PLEASE
Answer:
The FBI main job is to defend and protect the United States
Explanation:
Its a team that provide leadership and criminal justice services to federal, state, municipal, and international agencies and partners.The FBI is the investigative arm of the U.S. Department of Justice, and its specific mission is constantly evolving. What they mostly focus on is stopping terrorism, corruption, organized crime, cyber crime and civil rights violations, as well as investigating serious crimes such as major thefts or murders.