Originally Posted by Ringman
Quote
yanno, you gotta realize at one point millions of years ago a new toxic gas was introduced to this planet that literally threatened a massive, global extinction.
Oxygen. Some evolved, some didn't.


You apparently don't know much about geology. Same here, except I have attended a few lectures about it. It used to be believed what you say. But more advance studies have shown the presence of oxygen in all strata. Like I have said many times. It's great being right.
You never cease to amaze. You know all kinds of facts that the cutting edge of science hasn't yet discovered. wink