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A/CPB
Challenge Question #2
Carol Gersmehl, Macalester College
"Approximately how many hours does the typical trip across the Gulf of
Mexico take, if a hummingbird beats its wings 4 million times at a rate of
75 wing-beats per second?"
(This question was asked as part of the March 20, 1997 Ruby-throated Hummingbird Migration Update).
How to Respond to Journey North Challenge Question #2
- Address an E-mail message to: jn-challenge-hummingbird@learner.org
- In the Subject Line of your message write: Challenge Question #2
- In the body of the message give your answer!
Don't Forget!
Please tell us who you are! Include the name of your school, and your state
or province.