Which Is Not a True Statement About the Geologic Time

Which is not a true statement about the geologic time scale?

A) When you look at a geologic time scale, the oldest divisions are at the bottom
B) The geologic time scale is revised as more units are evaluated using radiometric dating techniques
C) The geologic time scale is revised as more fossil assemblages are described around world
D) The geologic time scale is divided into three major eons
E) Eons are the largest time units of the geologic time scale