Helium is the first member and the most abundent element in the known universe
Natural gas is abundent, cheap, clean, and relatively safe.
Aluminium.
Igneous rocks are the most common type of rocks on earth.
Oxygen is the second most common/abundant gas in the air that we breathe. Nitrogen is the most abundant gas in the air we breathe. The composition of air is often treated as 79 mole or volume percent N2 and 21 mole or volume percent O2.
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
grass
flour
Hydrogen
Insects
Wildebeast