Description : What is a small animal that has sharp teeth?
Last Answer : Rat, mouse, weasel, stoat, ferret,
Description : The main chemical substance present in the bones and teeth of animal is (a) sodium chloride (b) sugar (c) calcium phosphate (d) calcium sulphate
Last Answer : Ans:(c)
Description : What is the hard animal layer of teeth?
Last Answer : Calcium Hydroxy apetite