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Department
Earth Sciences
Course
EARTHSC 2WW3
Professor
Carolyn Capretta
Semester
Winter

Description
Attempt 1 Written: Jan 31, 2014 1:01 PM - Feb 4, 2014 9:42 PMSubmission View Released: Mar 5, 2014 11:07AM Question 1 1 / 1 point Ephemeral streams in arid climates more often lose water to groundwater and may be the main source of groundwater recharge in some areas. Question a) True options: b) False Question 2 1 / 1 point On a global scale what percentage of developed aquifers are in unconsolidated materials? Question a) 25% options: b) 50% c) 80% d) 90% Question 3 1 / 1 point Measurement points 10m apart have a difference in hydraulic head of 5m. Given a hydraulic conductivity of 1x10-3 m/s, and using Darcy’s Law, what is the specific discharge? Question a) 5x10-4 m/s options: b) -5x10-4 m/s c) 2x10-3 m/s d) -2x10-3 m/s Question 4 1 / 1 point Which of the following aquifer properties is not true? Question aquifers can be categorized as either confined or options: a) unconfined groundwater is able to be b) extracted c) aquifers are made up of silts and clays aquifers are typically recharged by rainfall in high topographic d) areas Question 5 1 / 1 point What is the first step in the holistic management of water resources? Question determination of inputs and options: a) outputs b) evaluation of water balance definition of c) catchments construction of groundwater abstraction d) wells e) prediction of impact of change Question 6 1 / 1 point Which of the following pH values would indicate the occurrence of acid rain? Question a) 6.5 options: b) 5.0 c) 7.0 d) 6.0 Question 7 1 / 1 point Which of the following is a source of organic chemical pollution? Question a) domestic sewage options: b) industrial waste c) farms d) all of the above Question 8 1 / 1 point If the piezometric surface is 5m higher than a well, it is an artesian well. Question a) True options: b) False Question 9 1 / 1 point In an area with karst landscapes, what can be easily found? Question a) pumice options: b) marble c) carbonate rocks d) topaz Question 10 1 / 1 point If a glass of water is considered to be soft, the concentration of equivalent dissolved CaCO3 in it should be: Question a) <60 mg L-1 options: 60-100 mg L-1 b) c) 100-150 mg L-1 d) > 150 mg L- Question 11 1 / 1 point The traits of this animal can potentially be used to genetically modify a cow to reduce production of methane: Question Sea Horse options: Panda Bear Penguin Cheetah Kangaroo Question 12 1 / 1 point The lateral movement of water through soil is called: Question interflow options: throughflow none of the above both a) and b) both b) and c) Question 13 1 / 1 point Which of the following was the main product produced in the Sydney Tar Ponds due to the incomplete burning of carbon fuels? Question Heavy Metals options: Volatile Organic Compounds Phosphorus Polychlorinated Biphenyls
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