Natural gas
Gas that is natural.
This radioactive gas is radon (Rn).
Oxygen (O2) is the gas.
Natural gas is principally:methaneethanepropanewith some heavier hydrocarbons.
Water vapor is a type of gas.
what type of gas
it is a noble gas.
It is a noble gas.
It is a noble gas.
it is a noble gas.
Type B
Yeah it is a type of gas!
What type of Gas.
Natural gas
nitrogen is a gas (N2)
depends on the type of gas.