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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: PKRBKR who wrote (934274)	5/10/2016 1:21:27 PM
From: combjelly	Respond to of 1572359

True, it was a long time ago. All we have to go by is the fossil and geological records. So, what can we gather from them? We know the CO2 levels went way up over a relatively short period of time. We know that temperatures went up over a relatively short time, consistent with the rise in temperature. We know that the overwhelming vast majority of species went extinct over a relatively short period of time. Granted, those events could have had no connection to each other. There may be other factors involved. Just like holding a rock in your hand with your fingers down in a nominal 1 gee gravitational field and opening those fingers does not necessarily mean that the rock will fall. After all, there may be other factors involved. You are right. It could have been unicorns that killed everything off. That is a mean horn on their heads. Maybe there was a vast fall of fairy dust. Maybe God was annoyed one day. Maybe... Or, you know, maybe the temperature rise due to the rise in CO2 might, just might, have had something to do with it. After all, in the present day, we do know that organisms have a range of temperatures that they can survive in. In cases where those temperatures change, and this has been documented, they shift their range if they can. If they can't, they die off. Quick examples are coral reefs. Granted, way back then, organisms might not have had temperature sensitivity. And it very well may be true that existing organisms who haven't died out due to a change in temperatures already will show no sensitivity to temperature changes in the future. So yeah, maybe that will be true. After all, until those organisms die off, we don't have any real proof that they will. Despite all of the evidence that it has occurred in the past. And the evidence that it is happening now. But we really and truly don't know until and unless it happens. But watch for the unicorns.