On the graphs shown, you can identify an ice age by looking for __________.
A. a trough (bottom of a dip) on the temperature graph
B. a peak on the temperature graph
C. a trough (bottom of a dip) on the carbon dioxide graph
D. a place on the temperature graph where the temperature curve falls steeply
Answer: A. a trough (bottom of a dip) on the temperature graph
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Indicate whether the statement is true or false
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a. True b. False Indicate whether the statement is true or false
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