Man facing charges for hanging American flag upside down, spray painting it. Updated: May 16, 2014 - 12:33 PM. Twtter. BLAIR COUNTY, Pa. - A Blair County man said he was standing up for this American Indian heritage and expressing his beliefs when he hung an American flag upside down and spray painted it earlier this week.
â¢ GAS PLANT (noun). The noun GAS PLANT has 1 sense: 1. Eurasian perennial herb with white flowers that emit flammable vapor in hot weather. Familiarity information: GAS PLANT used as a noun is very rare.
gas exchange. gas exchange. The diffusion of gases from an area of higher concentration to an area of lower concentration, especially the exchange of oxygen and carbon dioxide between an organism and its environment. In plants, gas exchange takes place during photosynthesis. In animals, gases are exchanged during respiration.