Biology · Human Anatomy and Health
Tooth decay starts when the pH of our mouth is _______.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1higher than 5.5
- 2higher than 7.5
- 3higher than 6.5
- 4lower than 5.5✓
Correct answer
lower than 5.5
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