Sagot :
Answer:
These mnemonics all stand for the seven time periods into which the Paleozoic is divided:
Cambrian,
Ordovician,
Silurian,
Devonian,
Mississippian,
Pennsylvanian,
Permian.
Note that European geologists lump the Mississippian and Pennsylvanian into a single time period, the Carboniferous.
HOPE THAT HELPS
#CarryOnLearning
~~@Hershey315