[Solved] Leah is conducting secondary research into procedures for safely handling hazardous chemicals in the workplace.She is only interested in expert opinions on this matter.Which of the following types of secondary sources would be least helpful for Leah? A) a white paper B) a scholarly journal article C) a wiki D) an article from a business periodical E) an industry report Observations: The act of noticing or perceiving something and registering it as being significant, often used in research and studies for data collection. Pornographic Magazines: Printed publications containing images and texts intended to stimulate erotic feelings rather than convey art or education. Psychologist: A professional trained in the study of the mind and behavior, often providing therapy and counseling. Sexual Concerns: Issues or worries related to sexual activities, performance, or desires.