what is teeth made up of ?
Teeth are made up of inorganic material (mainly calcium phosphate), organic material (mainly collagen) and water.
Ajay went to a dentist in his area and discovered that our teeth are made of a hard structure called as enamel. His dentist also mentioned that the enamel is made up of ____________ salts. What could be the possible explanation given by the dentist?
what is bedrock made up of?