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 liquid propane is turned into a gas inside a tank or a cylinder. In its natural form, propane is colorless and odorless. To make propane easier to detect in the event of a leak or spill, manufacturers deliberately add a chemical compound to give it a distinctive smell.