Multiple Choice
The marine record of ancient climatic changes is obtained by all of the following methods EXCEPT:
A) isotope and fission- track dating of ash layers.
B) geomagnetic- stratigraphy dating of deeper cores.
C) carbon- 14 dating of organic material in deep- sea mud cores.
D) observing fossil foraminifera whose size was dependent on temperature.
Correct Answer:

Verified
Correct Answer:
Verified
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