Chemistry
Chemistry, 23.07.2019 06:00, meaghankelly16

Explain how both biochemical oxygen demand and chemical oxygen demand are measured. microbiology

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Biology, 07.07.2019 23:20, bethzabezarahi
A. as you move away from the sewage spill, the demand for oxygen falls and then rises. b. the more raw sewage present, the less demand for oxygen. c. when the dissolved oxygen is less than 4 gm/liter of water fish cannot live and the dissolved oxygen will continue to fall. d. none of the above is true.
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Biology, 29.07.2019 13:00, ngilliam1444
If the biochemical oxygen demand (bod) of a lake is very high, how will that affect the aquatic life in the lake? view available hint(s) if the biochemical oxygen demand (bod) of a lake is very high, how will that affect the aquatic life in the lake? there will be more oxygen available for the aquatic life but much less oxygen available to the microbial populations. there will be less oxygen available for the aquatic life due to the microbial activity. there will be more oxygen available for the aquatic life due to the microbial activity. the bod does not have an impact on available oxygen in the lake.
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Geography, 24.08.2019 03:10, abadir2008
The metabolic index for an animal is defined in terms of the “supply” of oxygen and that animal’s “demand” for oxygen. which of the following statements correctly describe that oxygen supply and demand? a. oxygen is “supplied” by the animal and “demanded” by the environment because the ocean is undersaturated with respect to oxygen b. oxygen is “supplied” by the environment and “demanded” by the animal to supply energy for activities like feedings, reproduction, and defense c. oxygen is “supplied” by the ocean and “demanded” by the atmosphere d. oxygen is “supplied” by the atmosphere and “demanded” by the ocean
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