[Solved] Unions may have a negative effect on firm productivity due to which of the following? A) Collective voice increases the number of employee complaints. B) Formal grievance procedures are used to discuss workplace conflict. C) The industry may have a history of union-management conflict. D) Unions increase participative decision making. Vaccinated: The state of having received a vaccine, which induces an immune response to protect against specific diseases. Influenza: Influenza is a highly contagious viral infection that affects the respiratory system, causing seasonal epidemics and occasional pandemics. Viral Passage: The process by which a virus is grown in cells or organisms over multiple generations, leading to potential changes in its virulence or transmissibility. Morphological Features: Traits or attributes of an organism's form and structure, including shape, size, and arrangement of parts, visible under a microscope or with the naked eye.