Biology, 04.02.2020 07:44 danielahchf
Which of these is a direct impact of excess nitrates coming from agricultural runoff into a freshwater ecosystem? a) reduction of dissolved oxygen, resulting in the decrease of fish species. b) reduction of biological oxygen demand, resulting in the decrease of algal populations. c) increase in dissolved oxygen, resulting in increases of fish populations that feed on the nitrates. d) increase in biological oxygen demand, resulting in the increase of biodiversity for producers and consumers.
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Which of these is a direct impact of excess nitrates coming from agricultural runoff into a freshwat...
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