What causes the large-scale Rossby waves? Check all that apply. Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation...SHOW MORE a The difference in solar radiation received by one longitude versus another in the mid-latitudes b The differential heating of land masses vs. oceans in the mid-latitudes c The large mountain ranges such as the Rockies in the mid-latitudes d The absence of the Coriolis force in the mid-latitudes