Any Ridge That Extends from the Cusp Tip to the Central

Any ridge that extends from the cusp tip to the central groove of the occlusal surface is called a marginal ridge.When two marginal ridges join,after traversing the tooth buccolingually,they form a transverse ridge.

A) Both statements are true.
B) The first statement is true;the second statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.