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So I have been doing my IA experiment where I've made Petri dishes with agar and collected bacteria from my mouth using a sterile swab but bacteria isn't growing on my Petri dishes. 

I have kept them in a dark area with approx. 34 degrees Celsius environment, upside down but only a low progress after a week.

Can someone explain to me, what I can do in order to make it work.

My experiment is basically trying to see the effectiveness of different soaps to get rid of the bacteria but I can't do it if there is no bacteria growing on my Petri dishes!!!!


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