Posted by Ben on Wednesday, October 28, 2009 at 6:22pm.
You must be much more specific on what "cleaner" means before you proceed. Discuss this with your parents or teacher, because "cleaner" is not a useful term.
Related Questions
science fair - I need a science fir project!! I looked on a thousand of ...
Science fair - PLEASE HELP MS.SUE. I really need your help I'm in 3rd grade...
Science fair - PLEASE HELP MS.SUE. I really need your help I'm in 3rd grade...
General - This is a question to everybody: I was just wondering if anyone had ...
science fair - Hi, I'm doing a science fair and they're asking us to put...
Science - I really do need help finding Science Fair Ideas. Hellppppppp Meeee...
PLEASE HELP!!! - Hi, I'm doing a science fair and they're asking us to ...
Science Fair Project - I need help thinking of a topic for an highschool science...
science fair - I need to do a project for the science fair but I don't know...
Science Fair - I'm planning on doing a science fair project, but it has to ...
For Further Reading