This is site ones dO tests and the average.On the first two we did 20 drops and it hadn’t changed color, But on the last one we kept going until it was clear and we ended up with 57 drops.This means that there was a lot of oxygen.
Showing posts with label DO. Show all posts
Showing posts with label DO. Show all posts
Wednesday, June 7, 2017
Tuesday, May 31, 2011
Friday, May 28, 2010
Subscribe to:
Posts (Atom)