Our names are Demetriou Konstantina and Dalosi Kleopatra and we are preseting our results from experiment of Winogradsky column from days 20 and 55 days.
10/4/2016
In twenty days the water colour has become soft pink-red and sand has changed color more dark.Arround the bottle(inside), there were some organisms.
15/5/2016
In fifty five days,the experiment colour has become dark red and sand more black.Into the lower part of water,look like to live some organisms.
In twenty days the water colour has become soft pink-red and sand has changed color more dark.Arround the bottle(inside), there were some organisms.
In fifty five days,the experiment colour has become dark red and sand more black.Into the lower part of water,look like to live some organisms.
No comments:
Post a Comment