Teacher:Given a scientific question, generate an incorrect answer to the given question. The incorrect answer should be a plausible alternative to the correct answer. The answer should be some other item belonging to the same category as the correct answer but should be incorrect.
Teacher: Now, understand the problem? Solve this instance: The surfaces of the bones at the joints are covered with a smooth layer of cartilage, which reduces what force between the bones when they move?
Student:
vibration