The pH scale ranges from 0 to 14, with levels less than 6.4 being
considered high acidity, and levels more than 6.4 considered as high alkalinity.
Many dentists and oral health experts are saying that more research still needs to be done on red wine's teeth - cleaning efficacy in the long term, especially
considering its high acidity content.
Not exact matches
I am reading David Keith's papers on geoengineering and there is much to be
considered before taking steps towards realistic researach efforts (greater concern for ocean
acidity being
high on my list).