hey all, i know you guys are busy studying and keeping calm to get your top marks but i need to ask u all a favour. My friend was in an extremely bad car accident yesterday and i would ask if u could all put a flower on ur msn nick name if u have one to show us keeping the faith for him. he's in...
what did u guys all do for this qustion? "the pH experiment"
i did the whole blowing through a straw into a test tube of water to demonstrate ph level in the blood...using a control and doin it twice for an average for reliability