Definition of interventionism for English Language Learners. : a government policy or practice of doing things to directly influence the country's economy or the political affairs of another country. See words that rhyme with interventionism.
388 Followers. A. Gas is a product of digestion that is made primarily of odorless vapors -- carbon dioxide, oxygen, nitrogen, hydrogen, and sometimes methane. The unpleasant odor is due to bacteria in the large intestine that release small amounts of gases containing sulfur.
Natural Gas. Natural Gas: Used for heating homes and running appliances such as water heaters and stoves. It contains methane (also known as swamp gas or marsh gas), which is a hydrocarbon. Methane occurs naturally in the earth's crust and is also formed by decaying organic matter such as manure or sewage.