Westonci.ca is your trusted source for finding answers to all your questions. Ask, explore, and learn with our expert community. Discover in-depth answers to your questions from a wide network of experts on our user-friendly Q&A platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

The advance of which type of air mass produces most cold fronts that develop in the United States?
a. maritime polar air mass
b. maritime tropical air mass
c. continental tropical air mass
d. continental polar air mass