Quiz-3

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University of Minnesota-Twin Cities *

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3301

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Geography

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Oct 30, 2023

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3) Week 3 Quiz - Water Use Due Feb 9 at 11:59pm Points 20 Questions 20 Available after Feb 5 at 9am Time Limit 120 Minutes Attempt History Attempt Time Score LATEST Attempt 1 12 minutes 20 out of 20 Score for this quiz: 20 out of 20 Submitted Feb 9 at 4:19pm This attempt took 12 minutes. 1 / 1 pts Question 1 Minnesota's largest water use category considering both consumptive and non-consumptive uses is ____________? Livestock Thermoelectric (power) Correct! Correct! Correct! Correct! Domestic water supply

Mining Irrigation 1 / 1 pts Question 2 In Dr. Stillwell's lecture she presents ten problems facing humanity. Which of the following is not at the top of that list? water food population Correct! Correct! Correct! Correct! energy 1 / 1 pts Question 3 On a global scale, match the water use category with the appropriate percentage of total water use (both consumptive and non-consumptive).

Other Incorrect Match Options: 50% 30% 70% Agriculture/Irrigation Correct! Correct! Correct! Correct! Energy 10% Correct! Correct! Correct! Correct! Domestic & Industrial 20% Correct! Correct! Correct! Correct! 1 / 1 pts Question 4 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. Uneven distribution of water geographically Correct! Correct! Correct! Correct! lack of water bottling facilities Earth's rotation concentrates it in certain areas

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High rates of evaporation Correct! Correct! Correct! Correct! 1 / 1 pts Question 5 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.? livestock use thermo-electric cooling Correct! Correct! Correct! Correct! domestic use irrigation 1 / 1 pts Question 6 Dr. Peterson describes 4 major sectors of global water use, agricultural, industrial, municipal and artificial lake evaporation. Match the water use sectors with their relative amount of water withdrawn over time.

The largest water user agricultural withd Correct! Correct! Correct! Correct! The 2nd largest water user Industrial Correct! Correct! Correct! Correct! The smallest water user evaporation from Correct! Correct! Correct! Correct! 1 / 1 pts Question 7 The term or concept "peak water" describes the following phenomenon: Peak water means the tip of the iceberg. Water is not created or destroyed, but just moves through the water cycle. The point at which freshwater is being consumed faster than it is being replenished, or available. Correct! Correct! Correct! Correct!

The maximum rate at which groundwater is replenished. 1 / 1 pts Question 8 What percent of the total rainfall on land is used by forests and natural landscapes? 34% 12% 56% Correct! Correct! Correct! Correct! 83% 1 / 1 pts Question 9 How much water per day does a person need to survive in a moderate climate, on average? None, because we can survive 5-7 days without water

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0.0 to 0.5 gallons 6 - 13 gallons 0.6 - 1.3 gallons Correct! Correct! Correct! Correct! 1 / 1 pts Question 10 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. northern Africa Correct! Correct! Correct! Correct! northern South America (Brazil, Ecuador, etc.) India Correct! Correct! Correct! Correct! Canada

1 / 1 pts Question 11 The Water's Edge article documents the overuse of what water resource? Lakes Polar Ice Caps Groundwater Correct! Correct! Correct! Correct! Oceans 1 / 1 pts Question 12 Which two U.S. States are among the highest country- wide, in domestic water use? New York and Illinois Correct! Correct! Correct! Correct! Florida & Alaska Texas and North Dakota California and Hawaii

1 / 1 pts Question 13 Which of the following regions has the least access to safe drinking water supplies according to the Water Risk Atlas presented by Dr. Peterson? Australia central Africa Correct! Correct! Correct! Correct! Brazil (eastern South America) southeast Asia 1 / 1 pts Question 14 Letting your faucet run for 5 minutes uses about the same amount of energy as keeping a 60-watt lightbulb on for 14 hours! True Correct! Correct! Correct! Correct! False

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1 / 1 pts Question 15 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. True Correct! Correct! Correct! Correct! False 1 / 1 pts Question 16 Dr. Ashlynn Stillwell described what trade-off, in the development of biofuels for transportation? Foreign oil dependency trade-off for dependency on the sun Freshwater trade-off with solar power Foreign oil dependency trade-off for domestic water Correct! Correct! Correct! Correct!

Biofuels trade-off with hydrogen power 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. 1 / 1 pts Question 17 As electricity sources, solar-thermal power uses substantially less water than nuclear power. True False Correct! Correct! Correct! Correct! I gave points for both answers on this one, 1 / 1 pts Question 18

What is meant by the "water-energy nexus"? Nexus means space, so this refers to water in outer space. Refers specifically to energy from hydropower. Power plants are often located on rivers. Water is needed to produce energy and energy is needed to withdraw and provide clean water. Correct! Correct! Correct! Correct! You didn't go for that outer space choice, did you? 1 / 1 pts Question 19 Electric powered vehicles offer the best of both worlds: reduced carbon emissions and reduced water requirements (for fuel production). True False Correct! Correct! Correct! Correct!

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1 / 1 pts Question 20 Which of these "top problems of humanity" were identified and placed at the top of the list by Nobel Laureate, Rick Smalley? Transportation Energy Correct! Correct! Correct! Correct! Water Correct! Correct! Correct! Correct! Food Correct! Correct! Correct! Correct! Internet access Quiz Score: 20 out of 20