Additionally, a book from Persia— — presents the possibility for using fingerprints as identification.

Ithink it is letter b, i may be wrong but i think that is the answer

Answerthe global climate during the paleogene departed from the hot and humid conditions of the late mesozoic era and began a cooling and drying trend which dispite having been periodically disrupted by warm periods such as the paleocene-eocene thermal maximum, persists today;