How many codis sites exist?​

3,072,083  is right

As of this date there are a total of 3,072,083 DNA profiles in CODIS; 130,877 are evidentiary and 2,941,206 are convicted offenders. A downside of the CODIS database is that, since it is composed of only previously convicted felons, most crime scene specimens do not provide a hit or match.

Explanation:

I hope this helps you!

i believe the answer is a or 1

geologic time scale (for gradpoint) =)