Greenhouse gas. A greenhouse gas (abbrev. GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. The primary greenhouse gases in Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone.
A musician is a person who plays a musical instrument like a guitar or a piano or a person that sings. A musician is also someone who writes music, even if they write it for other people to play. People who write music are called composers. Usually that part is left out if they also play or sing the music they write, but they are still composers because they wrote the music.
She is mostly famous for singing cover songs and her high vocal range. Her voice can go from contralto and soprano. And just like Freddie Mercury, she is known to use her range in one song. Matthew Bellamy is the singer/songwriter/piano and guitar player of the alternative/progressive rock band Muse.