Earth Science: Geology, the Environment, and the Universe

Section 3: Climatic Changes

Climate Changes

1
During the last Ice Age, which climates shown in this map grew the most?
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A)arid
B)ice cap
C)mediterranean
D)tropical, wet
2
Approximately how long is a sunspot cycle?
A)14,000 years
B)10,000 years
C)11 years
D)100 years
3
Throughout geologic time, Earth has been __________.
A)warmer and colder than the present
B)always colder then the present
C)only warmer than the present
D)a steady temperature
4
What can block solar radiation and have a short-term effect on climate?
A)the ashes in the atmosphere from a volcanic eruption
B)the shape of Earth's orbit
C)the intensity of sunspots
D)the wobble of Earth's axis
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