Answer:
a. canine
Step-by-step explanation:
a. Canine does not belong with the other because of canine a type of teeth while others are the components of a particular tooth.
Canines are single-rooted, strong and pointed teeth. Total four canines are found in a human used for tearing the food or anything.
b. Dentin is hard tissue which is located inside the enamel of a teeth.
c. Enamel is the outer most part of a tooth known as hardest part of the body.
d. The pulp is a space inside a tooth where blood vessels and nerves take place.
e. Crown, is the visible portion of a tooth in the mouth.