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i need hewlp
Posted: Tue Jan 04, 2005 9:58 am
by madia34
how can u make and experimenat checking teh effects on smoking
Posted: Tue Jan 04, 2005 5:29 pm
by shijun
Hi!
Please post your question in the right forum. This forum is for questions on preparing for the science fair (hence the title
).
atmosphere
Posted: Tue Feb 08, 2005 5:53 pm
by Guest
is radiation a type of pollution
Re: i need hewlp
Posted: Fri Feb 11, 2005 6:38 pm
by Guest
madia34 wrote:how can u make and experimenat checking teh effects on smoking
what are three controlled variables
Re: atmosphere
Posted: Sun Aug 21, 2005 6:47 pm
by PhilipPierce
Anonymous wrote:is radiation a type of pollution
Yes, radiation is a pollutant. Please let me know if you need more information.