Quiz-3

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University of Minnesota-Twin Cities *

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3301

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Geography

Date

Oct 30, 2023

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docx

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Question 1 Correct Grade 1.00 out of 1.00 Flag question Question text On a global scale, match the water use category with the appropriate percentage of total water use (both consumptive and non-consumptive). Domestic & Industrial Answer 1 Energy Answer 2 Agriculture/Irrigation Answer 3 Feedback Your answer is correct. The correct answer is: Domestic & Industrial → 20%, Energy → 10%, Agriculture/Irrigation → 70% Question 2 Correct Grade 1.00 out of 1.00

Flag question Question text Energy is required to treat water to pump it from the source and to remove solids, pollutants, salinity or other impurities. Which type of water requires the most energy to treat? Select one: a. brackish groundwater b. surface water c. Seawater d. ground water Feedback Your answer is correct. The correct answer is: Seawater Question 3 Correct Grade 1.00 out of 1.00 Flag question Question text Minnesota's largest water use category considering both consumptive and non-consumptive uses is ____________? Select one: a. Thermoelectric (power) b. Irrigation

c. Mining d. Livestock e. Domestic water supply Feedback Your answer is correct. The correct answer is: Thermoelectric (power) Question 4 Correct Grade 1.00 out of 1.00 Flag question Question text In Dr. Peterson's presentation, she discusses water use in the United States by category. Which of the following categories withdraws the largest amount of water in the U.S.? Select one: a. irrigation b. thermo-electric cooling c. livestock use d. domestic use Feedback Your answer is correct. The correct answer is: thermo-electric cooling Question 5 Correct Grade 1.00 out of 1.00

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Flag question Question text Biofuels, if not irrigated, are on-par with traditional transportation fuels (gasoline and diesel), in terms of the water use required to produce the fuel. Select one: True False Feedback The correct answer is 'True'. Question 6 Correct Grade 1.00 out of 1.00 Flag question Question text The term or concept "peak water" describes the following phenomenon: Select one: a. Peak water means the tip of the iceberg. b. Water is not created or destroyed, but just moves through the water cycle. c. The point at which freshwater is being consumed faster than it is being replenished, or available. d. The maximum rate at which groundwater is replenished. Feedback

Your answer is correct. The correct answer is: The point at which freshwater is being consumed faster than it is being replenished, or available. Question 7 Correct Grade 1.00 out of 1.00 Flag question Question text Which two U.S. States are among the highest country-wide, in domestic water use? Select one: a. Florida & Alaska b. Texas and North Dakota c. New York and Illinois d. California and Hawaii Feedback Your answer is correct. The correct answer is: New York and Illinois Question 8 Correct Grade 1.00 out of 1.00 Flag question Question text Water treatment and distribution uses energy in variety of ways. Check all the ways that our water systems use energy.

Select one or more: a. wastewater treatment b. hydro-electric power c. collection and conveyance of water d. heating Feedback Your answer is correct. The correct answers are: collection and conveyance of water , wastewater treatment, heating Question 9 Correct Grade 1.00 out of 1.00 Flag question Question text The Water's Edge article documents the overuse of what water resource? Select one: a. Groundwater b. Lakes c. Polar Ice Caps d. Oceans Feedback Your answer is correct. The correct answer is: Groundwater Question 10

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Correct Grade 1.00 out of 1.00 Flag question Question text As electricity sources, solar-thermal power uses substantially less water than nuclear power. Select one: True False Feedback The correct answer is 'False'. Question 11 Correct Grade 1.00 out of 1.00 Flag question Question text Which of the following regions has the least access to safe drinking water supplies according to the Water Risk Atlas presented by Dr. Peterson? Select one: a. southeast Asia b. Australia c. central Africa d. Brazil (eastern South America)

Feedback Your answer is correct. The correct answer is: central Africa Question 12 Correct Grade 1.00 out of 1.00 Flag question Question text How much water per day does a person need to survive in a moderate climate? Select one: a. 6 - 13 gallons b. 0.6 - 1.3 gallons c. None, because we can survive 5-7 days without water d. 0.0 to 0.5 gallons Feedback Your answer is correct. The correct answer is: 0.6 - 1.3 gallons Question 13 Correct Grade 1.00 out of 1.00 Flag question Question text

Which of these "top problems of humanity" were identified and placed at the top of the list by Nobel Laureate, Rick Smalley? Select one or more: a. Energy b. Internet bandwidth c. Transportation d. Food e. Water Feedback Your answer is correct. The correct answers are: Energy, Water, Food Question 14 Correct Grade 1.00 out of 1.00 Flag question Question text What percent of the total rainfall on land is used by forests and natural landscapes? Select one: a. 83% b. 34% c. 56% d. 12% Feedback

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Your answer is correct. The correct answer is: 56% Question 15 Correct Grade 1.00 out of 1.00 Flag question Question text Electric powered vehicles offer the best of both worlds: reduced carbon emissions and reduced water requirements (for fuel production). Select one: True False Feedback The correct answer is 'False'. Question 16 Correct Grade 1.00 out of 1.00 Flag question Question text Which parts of the world have the highest percentage of renewable water resources withdrawn as a % of the amount prescribed by the Millennium development goals, which is >28%.

Check all that apply. Select one or more: a. northern Africa b. northern South America (Brazil, Ecuador, etc.) c. Canada d. India Feedback Your answer is correct. The correct answers are: India, northern Africa Question 17 Correct Grade 1.00 out of 1.00 Flag question Question text Dr. Ashlynn Stillwell described what trade-off, in the development of biofuels for transportation? Select one: a. Foreign oil dependency trade-off for domestic water b. Foreign oil dependency trade-off for dependency on the sun c. Freshwater trade-off with solar power d. Biofuels trade-off with hydrogen power Feedback Your answer is correct. Policies aimed at one problem (e.g., foreign oil dependency) might create other problems, such as increased need for water withdrawal and consumption to produce alternative fuels.

The correct answer is: Foreign oil dependency trade-off for domestic water Question 18 Correct Grade 1.00 out of 1.00 Flag question Question text Letting your faucet run for 5 minutes uses about the same amount of energy as keeping a 60-watt lightbulb on for 14 hours! Select one: True False Feedback The correct answer is 'True'. Question 19 Correct Grade 1.00 out of 1.00 Flag question Question text In Dr. Stillwell's lecture she presents ten problems facing humanity. Which of the following is not at the top of that list? Select one: a. food b. water

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c. population d. energy Feedback Your answer is correct. The correct answer is: population Question 20 Correct Grade 1.00 out of 1.00 Flag question Question text Dr. Heidi Peterson mentions that about 39% of the rainfall over land is available as water for human use. However there is much less than that in many areas. What are some potential reasons for that based on this lecture and what you've learned before? Check all that apply. Select one or more: a. High rates of evaporation b. lack of water bottling facilities c. Uneven distribution of water geographically d. Earth's rotation concentrates it in certain areas Feedback Your answer is correct. The correct answers are: High rates of evaporation , Uneven distribution of water geographically Question 21 Correct Grade 1.00 out of 1.00

Flag question Question text What is meant by the "water-energy nexus"? Select one: a. You didn't go for that outer space choice, did you? b. Power plants are always located on rivers. c. Nexus means space, so this refers to water in outer space. d. Refers specifically to energy from hydropower. e. Water is needed to produce energy and energy is needed to provide clean water. Feedback Your answer is correct. The correct answer is: Water is needed to produce energy and energy is needed to provide clean water. Question 22 Complete Grade 1.00 out of 1.00 Flag question Question text In a sentence (or two), what is meant by the term "water-energy nexus"? The water-energy nexus means: water is an important resource to generate energy and energy is one of the important requirements for clean water. Comments

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