The occlusal refers to what part of the tooth?
a. surface of the tooth that faces away from the midline
b. surface of the tooth that face the tongue
c. chewing surface of all posterior teeth
d. biting edge of all anterior teeth

c. Chewing surface of all Posterior teeth.

Explanation:

Teeth in animal and human body plays important role in beginning the simplification of complex food entity inside the mouth. It exhibit various surfaces for various purposes like cutting, chewing, and grinding.

Occlusal surface refers to the surface of the posterior tooth which performs the function of chewing and grinding.

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the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus