Final Answer:
What sets Wikipedia apart is that it welcomes amateur contributors (Option c). Unlike traditional reference works, Wikipedia encourages participation from a wide range of individuals, allowing anyone to edit and contribute content, thereby fostering a collaborative and constantly evolving platform for knowledge sharing.
The correct option is C.
Step-by-step explanation:
- Wikipedia's unique characteristic lies in its open editing policy, enabling individuals from diverse backgrounds and expertise levels to contribute content.
- Unlike reference works that rely solely on scholars or professionals, Wikipedia welcomes participation from amateur contributors, acknowledging their valuable insights and diverse perspectives.
- The platform's inclusivity allows for a vast array of topics to be covered, often providing a more comprehensive and up-to-date repository of information than traditional reference works.
- Wikipedia's model of open collaboration enables a collective effort in maintaining, updating, and verifying information, harnessing the collective knowledge of its users.
So, the correct option is c. It welcomes amateur contributors.