1. When I laugh I have no strength to swim ,why ?

Subject: 1. When I laugh I have no strength to swim ,why ?

Date: Wed Jun 3 09:22:34 1998
Posted by Adryl leong
Grade level: 7-9
School: pei hwa primary school ( 7-9 )
City: singapore State/Province: singapore
Country: singapore
Area of science: General Biology
ID: 896883754.Gb

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Re: 1. When I laugh I have no strength to swim ,why ?

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