[SunkenCiv]

Scientists have found that increasing oxygen levels are linked to the rise of North American dinosaurs around 215 M years ago. A new technique for measuring oxygen levels in ancient rocks shows that oxygen levels in North American rocks leapt by nearly a third in just a couple of million years, possibly setting the scene for a dinosaur expansion into the tropics of North America and elsewhere. From the Goldschmidt Geochemistry conference, Barcelona.

Credit: prehistoric-wildlife.com/Darren Pepper http://www.prehistoric-wildlife.com/species/c/chindesaurus.html

[Texas Eagle]

Whoa. If you think cows passing gas harms the atmosphere....

[House Atreides]

Our results show that over a period of around 3 million years - which is very rapid in geological terms - the oxygen levels in the atmosphere jumped from around 15% to around 19%. For comparison, there is 21% oxygen in today’s atmosphere. We really don’t know what might have caused this increase, but we also see a drop in CO2 levels at that time.”
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Don’t know the cause? Ahhh...plants?

[blueunicorn6]

Let’s see......

More oxygen.....

Less CO2.....

What could cause that?

Hmmmmmm.....

An asteroid?

No.....not an asteroid.....

Fracking......no not fracking......unless it was some fracking plants....

Wait!

That’s it!

Plants!

Where’s my Nobel Prize?

It’ll look great right next to my talking fish.

[Rebelbase]

If we cut enough CO2 will that increase O2 and bring back Raptors?

[Openurmind]

A Flora explosion?

[ClearCase_guy]

This doesn’t seem like news. The fossils of insanely big dragonflies have always indicated high levels of oxygen. You can’t have big insects without a lot of O2. Inverse law, or something.

[LoneRangerMassachusetts]

the oxygen levels in the atmosphere jumped from around 15% to around 19%. For comparison, there is 21% oxygen in today's atmosphere. We really don't know what might have caused this increase, but we also see a drop in CO2 levels at that time."

First come the plants to enjoy water and minerals. Then come the herbivores to enjoy the plants. Then come the carnivores to protect the plants and the environment.

[Huskrrrr]

Theory of Brontosaurus

https://www.youtube.com/watch?v=Xs7r5xfucPs

[KC_Lion]

Thank You SunkenCiv.

Very Interesting!

[miliantnutcase]

That’s been long theorized as a reason behind dinosaurs getting so large by the end of the cretaceous.

[Pelham]

[Blueflag]

How did oxygen get INTO rocks?

And gee, did atmospheric O2 rise because photosynthesis increased as CO2 levels rose?.

[moovova]

Wouldn’t a rise in dinosaurs also have contributed to a rise in methane gas?

[Teacher317]

As any HS science class can easily verify, virtually EVERY plant, crop, and tree species on earth today maximizes growth and photosynthesis between 800 and 1400ppm CO2. We are around 405, and growing at 1.8 per year.

The Takers have yet to explain how a very slow crawl towards optimal CO2 concentrations will somehow destroy the Earth... in 11.5 years now... and why we need to turn around and get further away from optimal conditions for plants. But they sure do keep trying hard to make multi-trillion-dollar pots of gold for some reason. Healthcare, college tuition, CO2 control, Reparations, etc etc etc... all have one thing in common: a huge pile of money for the DC swampmonsters to skim their meager 10-80% from the top.