Solved: The first appearance of free oxygen in the
Chapter 0, Problem 25.3(choose chapter or problem)
The first appearance of free oxygen in the atmosphere likely triggered a massive wave of extinctions among the prokaryotes ofthe time. Why?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer