Q

Tooth enamel, made mainly of _____, is degraded by acid during tooth decay.

RRB Group-D 03/12/2018 / Shift III 2018
✓ Answer: B Calcium phosphate
Acid dissolves enamel minerals, chiefly calcium phosphate in hydroxyapatite.
← Previous Question Next Question →

📚 Related Questions — Human Body

1 Which of the following can be compared to soldiers? 2 The pons is part of the human: 3 The brain is the _____ coordinating centre of the body. 4 Which of the following vessels carries blood away from the heart to… 5 High blood pressure is also called hypertension, which is caused due to… 6 Purkinje fibres are specialised as: