Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Chapter 27, Problem 9MCQ
Summary Introduction
Introduction:
The contamination of water with excess chemicals (chemical pollution) or microorganisms (microbial pollution) is defined as water pollution. The presence of pollutants in water bodies such as rivers, lakes, ponds, and oceans pose a serious threat to human health as well as the environment.
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Answer the following questions:
1. Agricultural runoff is a major source of pesticide and excess nutrient pollution. This is a particular problem in Indiana. Why do you think more has not been done to control these contaminants?
2. How probable do you think that it is that laws will be enacted requiring automakers to pay o environmental damage due to cars, and that automobiles will be more costly in the future as a result?
3. Some people believe that nuclear power is necessary in order to deal with the climate crisis. How do you think the dangers from nuclear waste compare to the dangers from a destabilized climate?
4. Do you think businesses should be liable for damages from hazardous waste on its site, even if the pollution came from a previous owner? Who is responsible?
Flux of anthropogenic Phosphorous from terrestrial to aquatic ecosystems can have negative effects, such as
A. Eutrophication
B. Ocean acidification
C. Acid rain
D. Both A and C
E. A, B and C
Most of the fresh water in the world is used fora. drinking. b. supporting industry.c. irrigating crops.d. cooking.e. bathing.
Chapter 27 Solutions
Microbiology: An Introduction
Ch. 27 - The koala is a leaf-eating animal. What can you...Ch. 27 - Give one possible explanation of why Penicillium...Ch. 27 - In the sulfur cycle, microbes degrade organic...Ch. 27 - Why is the phosphorus cycle important?Ch. 27 - DRAW IT 5. Identify where the following processes...Ch. 27 - Prob. 6RCh. 27 - Outline the treatment process for drinking water.Ch. 27 - Prob. 8RCh. 27 - Bioremediation refers to the use of living...Ch. 27 - NAME IT 10. These nitrogen-fixing prokaryotes...
Ch. 27 - Activated sludge system a. the process takes place...Ch. 27 - Prob. 2MCQCh. 27 - Nitrogen fixation a. the process takes place under...Ch. 27 - Prob. 4MCQCh. 27 - The water used to prepare intravenous solutions in...Ch. 27 - CO2+H2SLightLightC6H12O6+S0 a. aerobic respiration...Ch. 27 - Prob. 7MCQCh. 27 - CO2+8H++8eCH4+2H2O a. aerobic respiration b....Ch. 27 - Prob. 9MCQCh. 27 - Coliforms are used as indicator organisms of...Ch. 27 - Prob. 1ACh. 27 - Explain the effect of dumping untreated sewage...Ch. 27 - Flooding after two weeks of heavy rainfall in...Ch. 27 - The bioremediation process shown in the photograph...
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- Define the problem: What problem are you trying to address as an environmental engineer? Explain the repercussions of this problem on the Kalba sea and the whole coastline area. Aside from marine organisms, who would be affected by this problem? Would you consider this oil spill to be particularly severe for taking place in summer during the month of August? Compare the effects of this oil spill if it were to take place in the month of February.arrow_forwardWhich of the following is a point source of pollution? a runoff from multiple large agricultural fields that carries chemicals like fertilizers and pesticides b sewer overflow of untreated waste c runoff from multiple farms pollutes a small lake d runoff that carries oil and spilled chemicals off interstate highwaysarrow_forwardThe party primarily at fault for the water crisis in Flint, Michigan was the governmental agencies. The two main government agencies at fault are the Michigan Department of Environmental Quality and the Environmental Protection Agency, they failed to properly monitor and respond to the major issues that came up involving the water quality, despite receiving very early evidence of there being contamination (Sullivan, 2017). Although others, including city officials and water treatment personnel, share some blame, it was the systemic failures within governmental bodies that allowed the crisis to escalate. Regaining public trust after a significant blow requires transparency, accountability, and meaningful action. Being transparent with the public involves providing accurate information, and letting the public be fully aware of the inter-workings of governmental agency actions. Being accountable involves acknowledging past mistakes, such as putting out a statement admitting fault to how…arrow_forward
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- Harmful algal blooms are occurring in an estuary near the town of Reedville . As a result , oxygen concentrations in the water of the estuary have decreased . This has killed fish and other aquatic life in the estuary . Concerned for the local food supply and habitats , residents of Reedville wish to take action . Which action will most likely result in a reduction in algal blooms ? F building smaller dams G stopping fertilizer use on residential lawns H stopping recreational use of the estuary J using less groundwaterarrow_forwardSummarize the water issue concerning the Catawba River. (NOTE – A summary is not one sentence!)arrow_forwardThe process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called _________. a. dead zoning b. eutrophication c. retrophication d. depletionarrow_forward
- Why are drinking water supplies still a major concern for many countries?arrow_forwardExplain how streams can cleanse themselves andhow these cleansing processes can be overwhelmed.What is wastewater? Describe the state of streampollution in more- and less-developed countries.Give two reasons why lakes cannot cleanse themselves as readily as streams can. Distinguish betweeneutrophication and cultural eutrophication. Listways to prevent or reduce cultural eutrophication.Explain why groundwater cannot cleanse itself verywell. What are the major sources of groundwatercontamination in the United States? List ways to prevent or clean up groundwater contamination. Listsome ways to purify drinking water. Describe the environmental problems caused by the widespread useof bottled water.arrow_forwardBelow you are provided with two scenarios of how excess nutrients can enter water systems. For each scenario, water must begin in the atmosphere, as a gas. Using a minimum of 3 stages of the water cycle, complete the process to illustrate each of the scenarios. It is recommended to write the steps out chronologically as well. 1. How do fertilizers or pesticides placed on farmland infiltrate the soil and the aquifer, in relation to the water cycle? 2. Heavy rainfall has the ability to move fertilizers and surface pollutants to other areas, such as the Ocean. Diagram this process using a minimum of 3 water cycle stages, beginning in the atmosphere.arrow_forward
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