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


To: Land Shark who wrote (1023812)7/6/2017 12:24:20 PM
From: Wharf Rat  Read Replies (1) | Respond to of 1572106
 
"The sun was fainter in the Cambrian period " and, in the end, all the humans died from suffocation instead of heat stroke.

Oxygen crash led to Cambrian mass extinction



To: Land Shark who wrote (1023812)7/6/2017 12:26:00 PM
From: Bonefish  Respond to of 1572106
 
Many plants do well are lower light levels. Unexpectedly.