Why does the Precambrian have fewer subdivisions in the geologic timescale than the Phanerozoic? A. The Phanerozoic had more dinosaurs than the Precambrian.
B. There were fewer rock strata in the Precambrian.
C. Life was less diverse during the Precambrian.
D. The Mesozoic saw an explosion of different rock strata that could be correlated by mineral type.
E. All of the above.

Astate's representation in the u.s. senate is based on a) equal representation. b) the state's population. c) the state's electoral votes. d) the size of their major cities.this independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren cthis independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren commission (wc) b) federal election commission (fec) c) equal opportunity commission (eoc) d) securities and exchange commission (sec)