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AP Environmental Science/Unit 5: Land and Water Use
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Recirculating Aquaculture Systems
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Which of the following best explains why recirculating aquaculture systems (RAS) are a significant advancement in sustainable food production?

A

They require no external inputs of feed or nutrients

B

They produce exclusively herbivorous fish species

C

They eliminate all potential disease outbreaks

D

They minimize water requirements through filtration and reuse

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