Pula Posted September 19, 2022 Report Share Posted September 19, 2022 I want to do my IA seeing that enguage bocal helps fight bacteria in the mouth better, but my teacher is worried that the IB won't let me use saliva. Does anyone know if there is anything that says I can't use it? Reply Link to post Share on other sites More sharing options...
octavea2323 Posted October 5, 2022 Report Share Posted October 5, 2022 The problem with IAs involving bacteria is that it is diffcult to measure bacterial growth because it involves just qualitative data. I thought of doing similar to start with but my teacher told me it was not a good idea. Reply Link to post Share on other sites More sharing options...
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