Q. Which of the following statements with regard to the Rocky Mountains is/are correct?
1.They constitute the largest mountain system in North America and form an integral part of the American Cordillera.
2.The range was formed during the Cenozoic era due to the tectonic collision between the African and Eurasian plates.
Select the correct answer using the code given below:
Answer: A
Notes:
Explanation:
- Statement 1 is correct: The Rocky Mountains (or the Rockies) span more than 4,800 km from northern British Columbia in Canada to New Mexico in the Southwestern United States, making them the largest mountain network in North America and a key component of the western American Cordillera.
- Statement 2 is incorrect: The collision between the African and Eurasian plates formed the Alps in Europe. The Rockies were formed primarily via the Laramide orogeny on the western margin of the North American Plate.
