IELTS Writing Test Answers 1

Name: IELTS Writing Test Answers 1
Rating: 4.2 (37 reviews)
Author: WebTaiLieu

Anyone who has visited a dentist has been told that eating excessive amounts of sweets risks harming the teeth. This is because sweets lower pH levels in the mouth to dangerous levels. When the pH level in the mouth is kept above 5.5 acidity is such that teeth are unlikely to be in danger of decay...