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 because 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