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 (fossil fuel). 1  Methane and some other gases trapped between seams of rock under the earth's surface. 2  Pipes are sunk into the ground to release the gas. 3  Often used in houses for heating and cooking. 4  Gas is a ready-made fuel. 5  It is a relatively cheap form of energy.