James Roosevelt met his wife at a Roosevelt family gathering in the home of Theodore's mother, and James' son Franklin married Theodore's niece Eleanor. The Roosevelt Family is generally associated with the state of New York. Harvard University educations have been common among many members of the Roosevelt Family.
From the top: Air is 78 percent nitrogen, just under 21 percent oxygen, and the rest is water vapor, CO2 and small concentrations of noble gases such as neon and argon. There are several compelling reasons to use pure nitrogen in tires.
nitrogen makes up 71% of the air and oxygen makes up 21% of the air and the other 1 percent are argon with 0.93 % carbon dioxide with .038% neon with .0018% helium with .00052 â¦ % methane with .00015% krypton with .00011% and hydrogen with .00005%.hat is the percentage of oxygen and nitrogen in air? Dry Air is composed of approximate 20.95% oxygen and 78.08% nitrogen, along with 0.93% argon and 0.04% trace gases.