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Plant Sciences, Zoology & Evolution / Can someone help?
« on: 21/11/2007 23:01:34 »
...D=
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Plant Sciences, Zoology & Evolution / Can someone help?
« on: 21/11/2007 22:57:42 »
How high up can a bird fly (without going out of the atmosphere)without undergoing an immense pressure change that will physically disable/change the bird? I have always wanted to know this ♥
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