CATReading Comprehension > Mediumrings discolour and darken over time.atmosphere absorbs comet dustrings lose mass over timemoons create a gap between the rings.✅ Correct Option: 1Related questions:2025 Slot 1Which one of the options below best summarises the passage?2025 Slot 1Which one of the following observations would most strengthen the passage’s claim that a first-order tail event raises the probability of further tail events in complex systems?2025 Slot 2Which one of the following best explains why the "apparent inefficiency" is "unavoidable"?