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9 Pages

Earth Sciences
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Carolyn Capretta

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Attempt 1 Written: Jan 16, 2014 12:26 PM - Jan 20, 2014 2:09 PMSubmission View Released: Jan 27, 2014 10:08 AM Question 1 1 / 1 point What source accounts for greater than 50% of the world’s potable water? Estuaries Rivers Lakes Groundwat er Ponds Question 2 0 / 1 point What stage of using and developing water is Canada in? Stage 2 Stage 4 Stage 5 Stage 1 Stage 3 Question 3 1 / 1 point Which of these is the most accepted negative aspect of privatization of water supplies? Cuts to well paying jobs Lack of Expertise Poorly maintained infrastructure Lack of Money Dragons Low Efficiency Question 4 1 / 1 point What has the largest use of water in high income countries? Drinking water Agriculture Industrial Domestic use Golf courses Question 5 1 / 1 point What area has the highest global amount of evaporation? Desert Ocean Dense Forests Farmland Question 6 1 / 1 point What was the main natural cause of the drought in Europe in 2010? Reversal of air currents Air movement from teh Gulf of Mexico The jet stream sudden change in ocean currents El Nino event Question 7 1 / 1 point Which of these can be caused by deforestation ? Reduced infiltration Increased albedo Reduced evapotranspiration Increased runoff rates All of the above Question 8 1 / 1 point Which situation would most likely have the most evapotranspiration (assume trees are approximately the same size) Coniferous tree on a warm windless summer day Deciduous tree on a warm windy summer day Deciduous tree on a cold, rainy fall day Asmall shrub on a rainy, windy, cool spring day Coniferous tree on a windy, sunny winter day Question 9 0 / 1 point Which equation is appropriate when calculating the water balance of a natural watershed for a long period (e.g. a few decades)? Assume that the watershed does not have subsurface connections to the catchments out of its basin boundary. Whic is the most correct? Changes in the water storage= Precipitation- Evapotranspiration-River discharge Changes in the water storage= Precipitation- Evapotranspiration- Interception-River discharge Precipitation= Evapotranspiration+ Interception +River discharge Precipitation= Evapotranspiration+ River discharge Question 10 0 / 1 point What charactersitics is most influencial in making water an effective greenhouse gas? Water is good at absorb infrared radiation. Water has great surface tension. Water has a smaller density for the solid form compared to the liquid phase Water has high specific heat and latent heat of vaporisation. Penguins like water and fish. Question 11 1 / 1 point At what temperature will all water droplets in a cloud be frozen (considering it a 'frozen cloud)? -40 Celcius 0 Celcius -1 Celcius -5 -Celcius -10 Celcius Question 12 0 / 1 point Which country has the most available fresh water (unit: m3 per person)? Swede n Japan Iceland Brazil Canada Question 13 1 / 1 point In terms of the hydrologic cycle what is the process called when water changes from a solid directly into a gas? evapouration sublimation evapotranspirati on slavinifitation condensation Question 14
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