Ring vs. Rang vs. Rung. You can tell when to use ring, rang, or rung by whether you need the present, past, or past participle (used with has or have) form. I always ring the bell after I knock. He rings twice before entering.
The rocky mountains passes through six states. The six US states  are: New Mexico, Utah, Colorado, Idaho, Montana, and Wyoming.
1 Rocky Mountains-The Rocky Mountains are a major mountain range in North America, running 3,000 miles across the US and Canada, from western Canada to the state of New Mexico. few of the major mountain ranges in the United States are the Appalachian Mountains, the Rocky Mountains, the Alaska Range, the Cascades, and the Sierra Nevadas. The ranges are further divided into smaller subranges and ridges.