Final answer:
Fishyback transport involves the use of water carriers and trucks to ship containers as part of an intermodal transportation system.
Step-by-step explanation:
The term 'fishyback' refers to a mode of intermodal transportation where containers are transported over water and then by truck. The correct answer to the question of which two modes of transportation are used when containers are shipped by fishyback is A. water carriers and trucks. Intermodal transportation is critical to our global supply chains for the manufacture of consumer goods, as large container ships travel significant distances across seas and oceans, and trucks provide the link to move goods from ports to their final destinations or from starting points to ports.