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1. You are
testing the groundwater quality of an aquifer and find that it has high amounts
of arsenic. What is the likely source?

a. The
arsenic comes from the reaction of the water with your testing supplies.

b. The
arsenic is not actually there; it does not show up in groundwater.

c. The
arsenic is being poured into the groundwater to poison the town.

d. The
arsenic comes from the dissolved minerals in the aquifer rock.
2 points
QUESTION 6
1. You have
a choice to drill your water well into a more shallow unconfined aquifer or a
deeper artesian aquifer. Drilling deeper will cost more money, however you
chose to drill into the artesian aquifer. Why?

a. The
artesian aquifer will contain more water for your use.

b. The
artesian aquifer will not be subject to overpumping.

c. The
artesian aquifer will have a higher permeability.

d. The
artesian aquifer will flow on its own, without a pump.
2 points
QUESTION 7
1. Which
layer of the atmosphere is chemically stratified, with the lightest molecules
riding above heavier molecules?

a. the
thermosphere

b. the
troposphere

c. the
mesosphere

d. the
stratosphere
2 points
QUESTION 8
1. In global
convective circulation, air sinks at the ________ and the ________.

a. equator;
poles

b. horse
latitudes; polar fronts

c. horse
latitudes; poles

d. equator;
polar fronts
2 points
QUESTION 9
1. Starting
from the equator and moving toward either pole, how many rows of global
convection cells are present within the troposphere?

a. two

b. one

c. four

d. three
2 points
QUESTION 10
1. The
Enhanced Fujita scale, which is used to rate tornado intensity, is based on the
________.

a. damage
inflicted

b. maximum
wind speed

c. length
of the track on the ground

d. width of
the funnel
2 points
QUESTION 11
1. After
precipitation begins, a thunderstorm has reached the ________ stage.

a. supercell

b. cumulus

c. dissipating

d. mature
2 points
QUESTION 12
1. When
moisture-laden wind is forced over a mountain range, clouds will form because
of ________ lifting.

a. convergence

b. orographic

c. frontal

d. convective
2 points
QUESTION 13
1. A rock
that has been significantly reshaped on multiple surfaces by windborne
particles and sometimes has a sharp edge is a(n) ________.

a. wadi

b. ventifact

c. inselberg

d. yardang
2 points
QUESTION 14
1. Which of
the following is NOT an adaptation of plants that helps them survive in
deserts?

a. thin-skinned
seeds that can quickly germinate when it rains

b. shallow,
expansive root systems that can uptake infiltrated water over a broad area

c. a thick
waxy outer coating and needlelike leaves

d. succulence
(tissues that retain moisture for a long period of time)
2 points
QUESTION 15
1. After
extensive erosion of a hill in a desert environment, the small remnant
surrounded by alluvium-filled basins is known as a(n) ________.

a. inselberg

b. mesa

c. questa

d. hogback
2 points
QUESTION 16
1. Native
Americans produced petroglyphs by etching into ________.

a. rocks
that had been coated with desert varnish

b. obsidian

c. dark
basalts

d. rocks
that had been subjected to case hardening
2 points
QUESTION 17
1. At 30°
north latitude, at the northern edge of tropical (Hadley) cell convection in
the northern hemisphere, ________.

a. warm, dry
air rises, becoming cooler

b. cool, dry
air sinks, becoming drier as it heats up

c. warm,
moist air rises, increasing in relative humidity as it rises

d. cool
moist air sinks, providing abundant rainfall
2 points
QUESTION 18
1. Conversion
of productive land to desert is known as ________.

a. desertification

b. degradation

c. saltation

d. deflation
2 points
QUESTION 19
1. A
bowl-shaped depression formed by a mountain glacier is termed a(n) ________.

a. arête

b. cirque

c. tarn

d. horn
2 points
QUESTION 20
1. Glacial
ice cores can be used to determine the atmospheric concentration of CO2 during
Earth’s history. How do scientists come up with these data?

a. They
record changes in the shape of ice crystals to determine the paleoclimate.

b. The melt
the ice and measure how much carbon was trapped in the ice.

c. They use
the thickness of the ice layers to determine how much CO2 was in the
atmosphere.

d. They
break the ice apart, release the air trapped in bubbles, and then measure the
gases.
2 points
QUESTION 21
1. A glacier
will always advance from its source area if the rate of accumulation is greater
than the rate of ________.

a. ablation

b. uplift

c. erosion

d. subsidence
2 points
QUESTION 22
1. A hanging
valley is formed when a ________.

a. smaller
glacially carved valley intersects with a larger glacially carved valley

b. smaller
stream-cut valley intersects with a larger stream-cut valley

c. stream-cut
valley is on the upthrust side of a normal fault

d. smaller
stream-cut valley intersects with a larger glacially carved valley
2 points
QUESTION 23
1. Today,
continental glaciers are limited to Antarctica and ________.

a. Siberia

b. Alaska

c. Canada

d. Greenland
2 points
QUESTION 24
1. You are
hiking in Illinois and notice several ringlike hills composed of till. You
climb to the top of one, look toward the south, and see several more hills in
the distance. In which direction did the glacier advance?

a. north

b. west

c. east

d. south
2 points
QUESTION 25
1. Glaciers
form as fresh ________ falls to the ground and accumulates. The accumulation
adds pressure, which compresses the ________ until they form a packed granular
material called ________. Some material melts and then ________ in the pore
spaces to create a solid mass of ice.

a. firn;
glacier; ice; gets trapped

b. snow;
snowflakes; cirques; dissolves

c. snow;
snowflakes; firn; refreezes

d. ice; ice;
firn; refreezes

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