[Solved] It has been suggested that the fraternal birth-order effect is a result of A) erotic plasticity. B) refractory periods. C) a maternal immune response. D) mass-media norms. Mandatory Retirement: A policy that requires employees to retire at a certain age, often considered as a form of age discrimination. Partnership Agreement: A partnership agreement is a legal contract between partners that outlines the terms of the partnership, including roles, responsibilities, and profit-sharing. Health Club: A facility offering a range of services for physical exercise and wellness, often including equipment, classes, and personal training. Majority Vote: A voting principle where more than half of the votes cast by individuals entitled to vote are needed to pass a resolution or make a decision.