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.
Different Energy Content. There are also two main differences in the way that LPG (Propane) and natural gas (Methane) are burnt. The first difference is in the energy content. LPG has a higher calorific value, or energy content, so less gas is required to produce the same amount of heat.