Geo Test 4 2

Front 1

31. Water flowing from hot springs ____________.
a.
contains more dissolved minerals than water emanating from cool springs
b.
contains less dissolved minerals than water emanating from cool springs
c.
is never hotter than 40°C, so it is always safe to bathe in
d.
only occur in regions of active volcanism

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Front 2

32. A periodic explosive eruption of steam and water from within the ground up through the surface is termed a ____________.
a.
flowing artesian well
b.
geyser
c.
spring
d.
recharge areak

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Front 3

33. An example of non-point-source pollution would be:
a.
Over application of fertilizer thoughtout the mid-western US by farmers.
b.
A municiple landfill without an impermeable bottom and side liner.
c.
A large factory complex that has regular chemical leaks into the ground.
d.
A cattle feedlot where a great deal of manure and micro-organisms are deposited directly onto the ground (and into the groundwater).

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Front 4

34. Groundwater is often regarded as a non-renewable resource because ____________.
a.
too many people don’t understand the real nature of this abundant resource and the public just needs a better education
b.
of a governmental regulatory policy only
c.
recharge and flow rates are typically so slow that overpumping creates long-term (100s of years) problems
d.
it comes from underground like oil and gas

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Front 5

35. Land subsidence is likely whenever ____________.
a.
groundwater is used nonrenewably from aquifers composed of rock
b.
groundwater is used nonrenewably from aquifers composed of sediment
c.
groundwater is used renewably from aquifers composed of rock
d.
groundwater is used renewably from aquifers composed of sediment

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Front 6

36. The water from the Baton Rouge Water Company started its journey into your home (apartment, etc) ____________.
a.
when it was pumped from the Mississippi River a few days earlier
b.
during a rain storm in southern Mississippi 7000 years ago
c.
when glacial ice melted 12000 years ago and flowed underground from Michigan
d.
As ancient marine water that was slowly and naturally desalinized by filtering though very fine clay layers

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Front 7

37. An artesian well is one that ____________.
a.
induces an upward flow of groundwater without any pumping
b.
has its intake sited within the saturated zone of an unconfined aquifer
c.
has intake sited within the unsaturated zone of an unconfined aquifer
d.
has its recharge area at an elevation below sea level

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Front 8

38. Caves and karst landforms are primarily the result of ____________.
a.
primary porosity
b.
aggressive surface erosion that is at rates faster that surface water runoff can sustain
c.
groundwater dissolution and precipitation of calcium carbonate
d.
groundwater dissolution and precipitation of silica minerals

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Front 9

39. A sediment or rock that is permeable enough to allow water to be pumped from it is a(n):
a.
aquifer
b.
aquiclude
c.
aquicline
d.
aquipro

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Front 10

40. A water table is the ____________.
a.
top of the zone of permeability in the subsurface
b.
top of the zone of water-filled pores in subsurface
c.
top of the zone of any water in the subsurface
d.
a flat plane that holds water in place in the subsurface

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