Author Question: Ice core data from Greenland reveal that rapid shifts in climate (from ice age conditions to a much ... (Read 57 times)

dejastew

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Ice core data from Greenland reveal that rapid shifts in climate (from ice age conditions to a much warmer state) took place in as little as ____ over central Greenland around the end of the Younger Dryas.
   a. a century
   b. a decade
   c. a year
   d. a thousand years
   e. four thousand years

Question 2

The continental ice sheets over North America disappeared ____.
   a. between about 9,000 and 6,000 years ago
   b. approximately 14,700 years ago
   c. about 2.5 million years ago
   d. between about 5,000 and 4,000 years ago
   e. about 1300 years ago



ApricotDream

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Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: a



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