CATReading Comprehension > Mediumhelium and methanerock particles and comet dust.methane and rock particleshelium and comet dust.✅ Correct Option: 2Related questions:CAT 2017 Slot 1All of the following statements are true according to the passage EXCEPTCAT 2022 Slot 3None of the following statements is implied by the arguments of the passage, EXCEPT:CAT 2021 Slot 3Which one of the following sets of words and phrases serves best as keywords of the passage?