The second most abundant gas in Earth's atmosphere is oxygen, making up about 21% of the air we breathe.
Helium is the first member and the most abundent element in the known universe
Natural gas is abundent, cheap, clean, and relatively safe.
Aluminium.
Carbon dioxide is the gas you breathe out the second most. Oxygen is the gas you breathe out the most.
Oxygen is the second most abundant gas in Earth's atmosphere, making up about 21% of the air we breathe.
the second most abundent gas in the atmosphere is oxygen and the first in nitrogen
Nitrogen
nitrogen
This gas is argon.
This gas is argon-0,934 %.
aluminum
Helium is the first member and the most abundent element in the known universe
flour
Hydrogen
grass
Wildebeast
probably zooplankton