D. A journalist who researched documented cases of abuse over the past 5 years.
Answer:
B. proving to his audience that other trusted people from history agree with him
Explanation:
Dr. Martin Luther King's reference to St. Augustine who was a Christian clergyman and an advocate of peace and fairness shows to his audience that other trusted people from history agree with him.
Dr. King greatly enhanced his credibility by referring such a person of authority by showing that they shared the same views.
Cross-Contamination is the procedure by which germs, bacteria or other microorganisms are accidentally transferred or transported from one substance or object to another and one human to another with a very harmful effect. Cross-contamination can be shifted to food by hands, food-contact surfaces and a needle from a syringe that will directly inject into the body.
