What other forensic techniques have come under fire as not being as scientific as presumed?

Explanation:

Forensic techniques such as bite mark analysis, blood spatter analysis, ballistic analysis, the matching of bullet casings to a gun, the matching of hair and fibers, and fingerprint analysis. All of these have come under fire which have not being as scientific as presumed.

1= 26.17

2= 1.17

3=30.86

4=5.86

just took the assigment on edge

d is the correct answer