Antoine Lavoisier suggested that this gas be called azote, since it was asphyxiating. The Meselson-Stahl Experiment used a heavy isotope of this gas to study the synthesis of DNA, and this gas bonds to almost all elements in the periodic table except helium, neon, and argon. This gas makes up about 3% of the human body, but over 78% of the earth's atmosphere. For 10 points, name this gas, used with carbon dioxide to delay food spoilage, with atomic number 7 and chemical symbol N.
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Helium