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Practice Quizzes
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1
What are the cloud cover and atmospheric pressure conditions near the equator?
A)High pressure and dense cloud cover
B)High pressure and sparse cloud cover
C)Low pressure and dense cloud cover
D)Low pressure and sparse cloud cover
2
What will happen to a negative mass balance glacier?
A)It will recede
B)It will advance
C)It will not move
3
How can one divide the period of the last ice-age?
A)Short warm episodes; long cold periods
B)Long warm episodes; short cold periods
4
Predict what is presently happening to the mass balance of glaciers in the northern hemisphere.
A)Increasing
B)Decreasing
C)Staying the same
5
What happens to levels of polar wildflower pollen in sediments during an ice age?
A)Increases
B)Decreases
C)Stays the same
6
Which natural cause of climate change deals with changes to Earth's orbit around the Sun?
A)Eccentricity
B)Precession
C)Tilt angle
7
Suppose it is summer in the northern hemisphere. What happens to temperatures in the southern hemisphere if tilt angle increases to 25°?
A)Warmer
B)Colder
C)Stay the same
8
What happens to winter temperatures in the northern hemisphere if tilt angle decreases to 22°?
A)Warmer
B)Colder
C)Stay the same
9
How and why do temperatures change from low latitude to high latitudes?
A)Temperature increases because insolation increases
B)Temperature decreases because insolation increases
C)Temperature increases because insolation decreases
D)Temperature decreases because insolation decreases.
10
How many atmospheric circulation cells exist in each hemisphere on Earth?
A)1
B)2
C)3
11
What is the east-moving belt of wind that circles the globe at subtropical latitudes?
A)Trade wind
B)Geotrophics wind
C)Jet stream
12
Which circulation cell is located at the lowest latitudes?
A)Polar Cell
B)Ferrel Cell
C)Hadley Cell
13
Which climate region is cool temperate?
A)A
B)B
C)C
D)D
E)E
14
Which three climate regions cover the moist area in the US?
A)A, B and C
B)B, C and D
C)C, D and E
D)D, E and H
15
What area has the highest biodiversity?
A)Broadleaf deciduous forests
B)Mid-latitude wetlands
C)Tropical rain forests
16
What process in plants converts carbon dioxide and water to sugar and oxygen?
A)Respiration
B)Transpiration
C)Photosynthesis
17
What glacial feature represents the farthest advance of a glacier?
A)Accumulation zone
B)Drop stone deposit
C)Terminal moraine
18
What moves most materials in North American deserts?
A)Water
B)Wind
C)Mass wasting
19
How much colder were average temperatures during glacial periods?
A)1-2° C
B)3-5° C
C)5-10° C
D)10-20° C
20
When was the Younger Dryas period?
A)About 120 years ago
B)About 1,200 years ago
C)About 12,000 years ago
D)About 120,000 years ago
21
Which Milankovitch cycle lasts about 100,000 years?
A)Orbital eccentricity
B)Tilt angle variation
C)Precession
22
Which of the following represents a proxy record of long-term climate change?
A)Oxygen isotopes
B)Tree-rings
C)Pollen
23
What causes short-term climate fluctuations?
A)Plate tectonics
B)Variations in earth's orbit
C)Variations in solar activity
24
Which of the following is not a factor that influences global climate?
A)oceanic currents
B)the amount of solar radiation the earth receives
C)the albedo of the earth's surface
D)the composition of the gases in the atmosphere
E)all of the above are factors that influence global climates







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