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2007-05-23 10:09:53 · 2 answers · asked by bandted 1 in Science & Mathematics Biology

2 answers

There is an air sack at one end, but other than that it should be 80-90 percent full of liquid.

2007-05-23 10:13:11 · answer #1 · answered by Randy G 7 · 1 0

i agree with the air sack idea

2007-05-23 17:24:10 · answer #2 · answered by emma g 3 · 0 0

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