it is also the lightest element isotopes are atoms of the same element with different numbers of neutrons in ancient times the elements referred to fire earth water and air helium is the second most common element in the universe but is very rare on the earth
Featherweight is a weight class in the combat sports of boxing, kickboxing, mixed martial arts and Greco-Roman wrestling.
The first official featherweight champion in Ultimate Fighting Championship (UFC) history, he is currently in his second reign after a spell as interim titleholder ended when two-division king and former nemesis Conor McGregor was stripped of the belt in November 2016. Jose Aldo fact file.