Question 1

What is depicted in the photograph below? Explain how the use of this system helps conserve water.

Accepted Answer

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Question 2

What is being depicted in the figures below? Interpret the figures and describe the reasons for the differences.

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Question 3

Compare and contrast the three photographs below. Identify what the photos are of and describe the reasons for the differences. What is the potential future for this region?

Accepted Answer

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Question 4

The diagram below depicts a number of different ways that an individual can conserve water at home. Using this diagram as a guide, describe the specific ways in which water can be conserved on the home front. What kind of impact will the adoption of such practices have on water use?

Accepted Answer

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Question 5

Compare and contrast the overdrawing of surface waters and ground water. As part of your response, please define surface water, runoff, watershed, groundwater, and aquifer. Also discuss the repercussions of overdrawing surface water and ground water.

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Question 6

Compare and contrast point source and nonpoint source pollution. Include the following components in your comparison: sources, impact, prevention, and regulation of each type of pollution.

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Question 7

Which of the following associations correctly pairs the current law with its goal controlling water pollution?

Accepted Answer

The Clean Water Act of 1977 focuses on reducing pollutants discharged into waterways, thereby controlling water pollution by setting standards for wastewater emissions from point sources.

Question 8

The safe Drinking Water Act requires the EPA to determine maximum contaminant levels for water pollutants that might adversely affect human health.

Accepted Answer

The Safe Drinking Water Act (SDWA) mandates the Environmental Protection Agency (EPA) to set maximum contaminant levels for various pollutants in public water systems to protect human health.

Question 9

__________ treatment of wastewater involves removing suspended and floating particles through mechanical processes.

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Question 10

Compare the provisions of the Safe Drinking Water Act and the Clean Water Act. Briefly discuss the effectiveness of each act and highlight any areas in which pollution is still "escaping" regulation.

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Question 11

Draw a diagram of 2 water molecules and label the following components: hydrogen, oxygen, negative, positive, hydrogen bond. Explain how the structure of water is the basis of water's physical properties and how these properties are beneficial to the biosphere.

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Question 12

Compare and contrast the current situation with the Colorado and Columbia Rivers with respect to human activities. Include in your response a discussion of the strategies being implemented to minimize human impact.

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Question 13

What is the MOST serious water related issue for people in developing countries?

Accepted Answer

Insufficient access to clean water is a critical issue in developing countries, affecting health, agriculture, and overall quality of life. Other issues, while significant, do not have as immediate and widespread an impact on human health and survival.

Question 14

Wastewater, including sewage usually undergoes several treatments at a sewage treatment plant. Match the treatment with the process for expected outcome.

Accepted Answer

Primary treatment in sewage treatment plants involves mechanical processes such as screening, sedimentation, and skimming to remove suspended and floating particles from wastewater. This step does not involve the removal of dissolved organic or inorganic compounds through aeration or the biological decomposition of organic material, nor does it specifically target the reduction of phosphorus and nitrogen levels through filtering systems.

Question 15

Orlando, Florida's low-tech, natural wastewater treatment system relies on which of the following?

Accepted Answer

Orlando, Florida utilizes a natural wastewater treatment system that relies on constructed wetlands. This innovative approach uses the natural filtering capabilities of wetlands to clean wastewater in an environmentally friendly manner.

Question 16

Which of the following statements about the Safe Drinking Water Act is TRUE?

Accepted Answer

The Safe Drinking Water Act requires the Environmental Protection Agency (EPA) to determine the maximum contaminant levels for drinking water, ensuring that water provided by public water systems is safe for human consumption.

Quiz 10: Freshwater Resources and Water Pollution