Harriet Tubman. Harriet Tubman (born Araminta Ross; c. 1822 â March 10, 1913) was an American abolitionist, humanitarian, and an armed scout and spy for the United States Army during the American Civil War.
Rating Newest Oldest. Best Answer: Natural gas is piped to your home as a vapour while propane is stored as a liquid in portable containers. You are still burning vapour not liquid with a propane appliance. When you draw off the vapour and burn it, the liquid in the tank boils to create more vapour.
The same holds true for propane and is explained in detail below. 1  Propane Liquid. 2  Liquefied Petroleum Gas (LPG), is a fuel in liquid form at or below its boiling point (-44 degrees F) and when it is stored under pressure, otherwise it turns to gas (or vapor).