Diametrical Pitch Is Related to the Tooth Size of the Gear

Diametrical pitch is related to the tooth size of the gear in that ____.

A) as the diametrical pitch increases, the tooth size also increases
B) in mating gears, the diametrical pitch as well as the tooth size, must be identical
C) the diametrical pitch can be found by a formula in which the number of teeth are given for that gear
D) both a and b
E) none of the above