To treat agricultural wastewater, jack has built a lagoon that gets oxygen from floating surface aerators or submerged diffusers. it requires less land space, is 6 to 20 feet deep, and has a detention time of 5 to 20 days. which type of lagoon has jack built? a. partial-mix aerated lagoon b. anaerobic lagoon c. aerobic lagoon d. facultative lagoon e. completely mixed aerated lagoon
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