Note: These Challenge Questions coincide with the Spring 2001 Reports
From: Sue-Anne Solem (email@example.com)
Date: Tue Mar 20 2001 - 09:05:25 EST
Next message: Rosemary Nunnally: "Challenge Question #13"
Something interesting I ran into today on Earth and Sky:
Studies of twenty years of records of high altitude weather in the
Northern hemisphere shows that the air temperatures are warming earlier
each spring now than 2o yers ago. As a result, robins, who 20 years ago
spent early spring at low altitudes now arrive at high altitudes earlier.
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