Answer:
The correct answer is c) Geography and infrastructure
Step-by-step explanation:
Geography and infrastructure are uncontrollable variables that would be the chief concern as Jonas devise his firm's logistics plan; because Jonas must devise a logistics plan for crossing the Andes Mountains daily; and South America's geography, in special the Andes mountains, are the longest continental mountain range in the world. The Andes are compounded by a lot of peaks of mountains and also have the second most elevated highest peak of any mountain range, just superated by the Himalayan peak.