Final answer:
A petition is a formal written request signed by a group of people to express a collective opinion or demand for change.
Step-by-step explanation:
A petition is a formal written request to someone in authority, signed by a group of people. It is often used to express a collective opinion or demand for change. Petitions can be used in various contexts, such as advocating for a specific cause, seeking redress for a grievance, or requesting a change in policy or legislation. For example, a group of students may create a petition to the school administration asking for healthier food options in the cafeteria.
Learn more about Petitions