4 What mountain range do the United States and Canada share along the western coast? A) Appalachian Mountains (B) Andes Mountains (C) Canadian Shield (D) Rocky Mountains

The Rocky Mountains, also known as the Rockies, stretch over 3,000 miles and are one of the most significant mountain ranges in North America. This majestic range runs from Canada through the United States, offering breathtaking landscapes filled with rugged peaks, diverse wildlife, and endless outdoor activities like hiking, skiing, and mountain biking. When it comes to real-world application, the Rockies are not just beautiful; they play a crucial role in water systems and ecology. The mountains act as a natural barrier that influences weather patterns and serve as vital watersheds for rivers that supply water to millions. They are also a hotspot for tourism, significantly contributing to the economies of states like Colorado and Montana.