Respuesta :
Options :
A. utilize their own aircraft.
B. have extensive ground networks.
C. have accurate, real-time tracking systems
D. all of the above
Answer:
D
Answer:
The Correct Answer is D - All of the above
Explanation:
Aircraft and truck fleets are owned by integrated carriers(truck-air) like UPS and FedEx. They can better manage, control, carry out delivery schedules, and they have sophisticated and powerful tracking systems which benefits company operations and customers maximally.