1 Scientists in the IPCC conduct original research and report their findings in periodic
assessment reports.
(A) True
(B) False
2 The average global temperature is warmer than it has ever been in Earth’s history.
(A) True
(B) False
3 Eruption of volcanoes can cause global cooling.
(A) True
(B) False
4 Earth’s atmosphere works exactly like a greenhouse.
(A) True
(B) False
5 Water vapor is a greenhouse gas.
(A) True
(B) False
6 The thinning of the ozone layer will help reduce global warming.
(A) True
(B) False
7 The melting of the Arctic ice cap will result in sea level rise.
(A) True
(B) False
8 Melting mountain glaciers will result in a temporary increase in the amount of water
available to people living downstream.
(A) True
(B) False
9 Climate is changing more rapidly in the Arctic than in other regions of the globe.
(A) True
(B) False
10 As the average global temperature warms, the thickness of ice on Antarctica may increase.
(A) True
(B) False
11 The global conveyor belt refers to the thermohaline circulation.
(A) True
(B) False
12 Water is a nonrenewable resource. Once we use it, it is gone.
(A) True
(B) False
13 Most freshwater on the planet is frozen.
(A) True
(B) False
14 An aquifer is a large deposit of groundwater.
(A) True
(B) False
15 The “Tragedy of the Commons” was originally an article written by Garrett Hardin to
describe aquifer depletion.
(A) True
(B) False
16 Saltwater intrusion is a process which can contaminate water supplies.
(A) True
(B) False
17 Impervious surfaces help to keep pollutants out of groundwater.
(A) True
(B) False
18 Hydroelectric dams can result in the emission of methane, a greenhouse gas.
(A) True
(B) False
19 Virtual water is the quantity of water embedded in the production of food or products.
(A) True
(B) False
20 A vegetarian diet has a relatively high virtual water content.
(A) True
(B) False
21 Deforestation of mountain slopes can provide a permanent increase in the amount of water
available for irrigation as more snowmelt flows into reservoirs.
(A) True
(B) False
22 The first step in a water conservation program is to begin replacing fixtures as quickly as
possible.
(A) True
(B) False
23 Automatic electronic flushing controls are a cost-effective strategy for water conservation.
(A) True
(B) False
24 Desalination of seawater consumes more energy than pumping of groundwater.
(A) True
(B) False
25 Copper roofs provide the best surface for rainwater harvesting.
(A) True
(B) False
26 A rainwater cistern is always made of black polyethylene.
(A) True
(B) False
27 Graywater is water from sinks, tubs, and toilets.
(A) True
(B) False
28 Urban development results in increased stormwater runoff.
(A) True
(B) False
29 Most stormwater features such as bioswales, rain gardens, or porous paving have two
goals: cleansing and infiltration.
(A) True
(B) False
30 Rain gardens are usually barrels placed under downspouts.
(A) True
(B) False
31 A swale is a concrete drainage ditch.
(A) True
(B) False
32 Most of the work of a porous paving system occurs in the aggregate-filled reservoir below
the surface.
(A) True
(B) False
33 Most of the Earth’s total water is located
(A) in lakes and rivers
(B) in groundwater
(C) in oceans
(D) in glaciers
34 Groundwater is
(A) water that runs off the surface in a rainstorm
(B) soil moisture
(C) the zone of saturated soil or rock
(D) water inaccessible to wells
35 A water table is
(A) flowing water in a streambed
(B) the impervious rock layer that traps groundwater
(C) an area of saturated soil
(D) the top surface of groundwater
36 The Ogallala is
(A) a vast lake in Central Asia
(B) a river in the Colorado drainage
(C) the world’s largest aquifer
(D) a Himalyan glacier
37 Potable water is water that
(A) has been boiled
(B) is suitable for drinking
(C) cannot be used for drinking
(D) has evaporated from a holding area
38 The majority of the work of treating wastewater is accomplished by
(A) chemicals
(B) ultraviolet light
(C) bacteria
(D) plants
39 Stormwater is
(A) water that exceeds storm drain capacity
(B) polluted runoff
(C) water that falls as rain
(D) water that reaches storm drains