A atakach99 Member Joined May 19, 2007 Messages 146 Gender Male HSC 2008 Jul 14, 2008 #1 i have the following factors for an experiment screw + boiled distilled water + oil screw + copper wire screw + salt solution bend screw + distilled water screw + distilled water What is my control? pl help thnks
i have the following factors for an experiment screw + boiled distilled water + oil screw + copper wire screw + salt solution bend screw + distilled water screw + distilled water What is my control? pl help thnks
