A catalytic converter is a device that uses a catalyst to convert three harmful compounds in car exhaust into harmless compounds. The three harmful compounds are: 1  Hydrocarbons (in the form of unburned gasoline). 2  Carbon monoxide (formed by the combustion of gasoline).
Best Answer: What broke up the Beatles was Paul's public announcement on April 10th, 1970, that the Beatles would never work together again. John Lennon - 1970â1980: Solo career. Died: 8 December 1980 (aged 40) Studio albums. 1. John Lennon/Plastic Ono Band (1970) - UK #8, US #6 RIAA: Gold.
The Beatles started when John Lennon formed his own group, called the Quarrymen, in 1956. Paul McCartney joined the group as a guitarist in 1957. Fourteen-yearold George Harrison, though a skilled guitarist, did not initially impress seventeen-year-old Lennon, but eventually won a permanent spot in the developing group.