Air, propane, steam.
Petrol (gas in USA), diesel, methylated spirits, liquid gas, are some examples.
- nitrogen in atmosphere- methane in atgon
Some examples are gasoline, iron ore, coal, natural gas, oil, and natural gas.
food or gas
Water to water vapor
Wood, coal, gas.
oil, gas, and coal
mind your own business
a wooden rod
gas stations
mind your own business
Examples: ice, concrete, steel, wood, paper, bones, bread, etc.