Which of the following does not vary predictably with the depth of the aquatic environment? a. dissolved oxygen c. penetration by sunlight b. temperature d. salinity
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Which of the following does not vary predictably with the depth of the aquatic environment? a. dissolved oxygen c. penetration by sunlight b. temperature d. salinity
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- The halocline is the layer of ocean water where there is a transition from rapid change in salinity to gradual or no changes in salinity. A. TRUE B. FALSEAnswer the following questions: 1.) How does wind, evaporation and tide in fluence the distribution of salinity in the estuary? 2.) Why is it a problem to the animals lacking siphons to live in the sediment? List two problems.In the water cycle, what happens during evaporation? Group of answer choices a. liquid water changes to water vapor b. water flows over the ground c. water vapor changes to liquid water d. water falls to the ground from clouds
- Imagine you are testing water samples from a local pond for pollutants. Your lab instructor sees the results of your dissolved oxygen test and remarks that your water sample has the same dissolved oxygen level as water found near the seafloor of a dead zone. What is the dissolved oxygen level of this water sample? 650-700 ppm 350-360 ppm 80-90 ppm 7-9 ppm 2-3 ppmExplain what would happen if: There is excessive growth of algae in a waterbody.Continuous sampling and analysis of samples is carried out with the aim of…a. Meet the needs of related partiesb. Knowing the source of pollutionc. Monitoring the concentration of chemical parameters in the environment of interestd. Advanced research When we have data on the initial and final dissolved oxygen incubation in a water sample, we can determine the value of…a. Totally organic ingredientsb. Biological oxygen demandc. Acidityd. Turbidity
- Answer the following questions: 1.Research two marine animals which are greatly affected by a change in temperature orsalinity. 2. Explain how tides form.Explain the effect of dumping untreated sewage into a pond on the eutrophication of the pond. A. The effect of sewage that has primary treatment? B. The effect of sewage that has secondary treatment? C. Contrast your previous answers with the effect of each type of sewage on a fast-moving waterOcean acidification causing fish and other biota in the sea die or contaminated by carbon dioxide, which might impact marine organisms that as the seafood consumed by humans. Elaborate the impact of ocean acidification on Malaysian health those choose to eat seafood
- If salinity changes (increases) in a freshwater body, what influence would this have on aquatic communities and individual aquatic organisms?Warm, still water holds______ oxygen than cold, fast-flowing water. a. more b. less10. A student collects a sample of water in Florida with a high salinity. Where is the most likely place for this water to have come from? a. St. Johns River b. Pond at school C. Atlantic Ocean d. Lake Okeechobee