What Is the Relationship Between Biostratigraphy and Absolute Dating

Multiple Choice

What is the relationship between biostratigraphy and absolute dating?

A) If the index fossil is found in unambiguously dated contexts in the same region,absolute dating methods can make the index fossil's use more accurate.
B) Biostratigraphy is only used on sites where layers have already been dated with absolute radiometric techniques.
C) Biostratigraphy always follows and is used to calibrate absolute dating methods.
D) They are often used together because bone is limited to biostratigraphic dating,while rock surrounding it is limited to absolute dating.