Dry air is primarily made up of nitrogen (78.09%) and oxygen (20.95%). The remaining 1% is made up of argon (0.93%), carbon dioxide (0.041% as of 2019) and other trace gases (0.003%). Water vapor (water in its gaseous state) is also present in the atmosphere in varying amounts, by up to 2%.What is another name for air?
air(noun) the region above the ground. "her hand stopped in mid air"; "he threw the ball into the air". Synonyms: melodic phrase, line, tune, gentle wind, airwave, melody, atmosphere, melodic line, strain, air travel, aura, zephyr, breeze, aviation.What mixture is air?
Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen , and smaller amounts of other substances . Mixtures are unlike chemical compounds, because: The substances in a mixture can be separated using physical methods such as filtration, freezing, and distillation.