The cyanobacteria have an extensive fossil record. The oldest known fossils, in fact, are cyanobacteria from Archaean rocks of western Australia, dated 3.5 billion years old.This may be somewhat surprising, since the oldest rocks are only a little older: 3.8 billion years old!he cyanobacteria have an extensive fossil record. The oldest known fossils, in fact, are cyanobacteria from Archaean rocks of western Australia, dated 3.5 billion years old.
A Seraph Weapon. Seraph (sometimes referred to as pink) is an item rarity first released with Captain Scarlett and Her Pirate's Booty. Seraph items are between unique and legendary items, with impressive stats but with some form of drawback such as low accuracy or projectile speed. Seraph items are obtained.
A doctor of public health, commonly referred to as a DrPH, is a professional degree designed for public health practitioners. Both on-campus and online DrPH programs focus on the practical application of public health principles across a variety of fieldsâincluding communications, marketing, public policy and advocacy, economics, and moreâpreparing DrPH students for leadership roles in practice-based settings.