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heliummmm

when people inhale helium gas, why does the pitch of their voice change?
04:53 Tue 02nd Jan 20078 answers, last by mibn2cweus 04:59 Thu 04th Jan 2007
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soapyness

how does soap clean?
04:52 Tue 02nd Jan 20071 answer, last by ermadea 06:59 Tue 02nd Jan 2007
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saop

how does soap clean?
04:27 Tue 02nd Jan 20072 answers, last by heathfield 13:19 Wed 03rd Jan 2007
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raining

Can scientists make it rain?
03:04 Tue 02nd Jan 20071 answer, last by stevie21 04:53 Tue 02nd Jan 2007

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