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To decrease the likelihood of cultural eutrophication from the effluent released from a water treatment facility, sewage plants may include aa. secondary treatment, using bacteria to breakdown algae. b. secondary treatment, using ozone for disinfection. c. secondary treatment, removing nitrogen and phosphorous. d. tertiary treatment, removing nitrogen and phosphorous. e. tertiary treatment, using bacteria to break down algae
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Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation
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