Recirculating Aquaculture Systems (RAS) Are Best Suited in __________

Recirculating aquaculture systems (RAS) are best suited in __________.

A) urban centers of wealthy countries, as locations close to larger markets could help make RAS operations more likely to be economically viable
B) water-poor regions, as RAS operations have a small water footprint since they use only a limited amount of freshwater
C) tropical regions, as the breeding cycle of fish is best suited to the seasons in these regions
D) poor countries, as the start-up costs for RAS are low, and because they create a lot of jobs
E) rural areas with access to a lot of open space, as RAS operations have a large land footprint that is not compatible with built-up urban areas