Which Is Not a True Statement

Multiple Choice

Which is not a true statement?

A) Sloss determined that widespread unconformities occurred throughout North America and he subdivided the rock record into sequences
B) Sloss named each sequence after a tribe of North American natives in whose traditional homeland sedimentary rocks of the appropriate age were widespread
C) Sloss identified that each major sequence was separated by a major unconformity
D) All of the above are true statements