Note: These Challenge Questions coincide with the Spring 2004 Reports Date: Tue Mar 30 2004 - 11:59:58 EST
The most "experienced" ultracranes left so much earlier this year because they were experienced. The length of daylight and proximate clues, such as temperature and vegitation changes told them to leave because they did the same thing last year.
Iselin Middle School/grade 7
Frank
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