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(Solution document) What would the following proxy records allow us to investigate?


What would the following proxy records allow us to investigate?

  • pollen records from lakes around California
  • tree ring widths from Orange County and the Sierra Nevada mountains
  • chemistry of a stalagmite taken from a cave in the Sierra Nevada mountains

A. geologic features such as dry lake beds

B. the history of rainfall in California

C. the carbon dioxide content of the atmosphere over the past 5 million years

D. the temperature of the Gulf Stream current in the North Atlantic Ocean

 







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