The origin of the name of the element oxygen is Greek. It come from  two Greek word meaning acid and maker because it was thought,  incorrectly as it turned out, that al â¦ l acids contained oxygen.herefore the literal meaning of the word is 'that which makes acid', and this was because when oxygen was first isolated in air, its role or importance was not known and it was treated as any other new element.
Great Falls is known as the Electric City due to the five hydroelectric dams that are in the nearby vicinity along the Missouri River. Great Falls was the largest city in Montana from 1950 to 1970 when Billings surpassed Great Falls to become Montana's largest City.
The Yellowstone River, the principal tributary of the Missouri in Montana and which has its source in Wyoming, drains the southeastern section of the State and has its confluence with the Missouri just east of the Montana-North Dakota line.