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loopster loopster
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Posts: 1639
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7 years ago
Proxy data:
A) provide climate data representing times when instruments were not available to measure them.
B) are difficult to find because they occur only in very limited areas.
C) come quality-controlled instrument records.
D) can only extend the temperature record back an additional 500 years.
Textbook 
Atmosphere: An Introduction to Meteorology

Atmosphere: An Introduction to Meteorology


Edition: 12th
Authors:
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WatersGWatersG
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7 years ago
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loopster Author
wrote...
7 years ago
This is correct, vote with confidence!
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