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?
Question 2 0 / 1 point
What stage of using and developing water is Canada in?
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
infrastructure Lack of Money
Question 4 1 / 1 point
What has the largest use of water in high income countries?
Question 5 1 / 1 point
What area has the highest global amount of evaporation?
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
The jet stream
sudden change in ocean currents El Nino event
Question 7 1 / 1 point
Which of these can be caused by deforestation ?
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
Deciduous tree on a warm windy summer
Deciduous tree on a cold, rainy fall day
Asmall shrub on a rainy, windy, cool spring
Coniferous tree on a windy, sunny winter
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
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
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
Question 12 0 / 1 point
Which country has the most available fresh water (unit: m3 per person)?
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?