Multiple Choice
Cross sections of speleothems reveal an ancient ice age because:
A) speleothems do not grow when a cave is overlain by a sheet of ice.
B) speleothems produce thicker concentric layers when the cave is affected by an ice age.
C) darker layers within a speleothem represent periods of colder climate.
D) some of the concentric layers within a speleothem contain pockets caused by ice formation.
Correct Answer:
Verified
Correct Answer:
Verified
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