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May 27, 2015

Homework Help: Science/ Math

Posted by Dee on Monday, May 3, 2010 at 6:09pm.

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

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