What if it 'should be' hotter, what if it should be 10-20 degrees hotter on average? It once was, and they now think that during those times humans lived much, almost double the age of today's average while during cold periods the average age of death was about to 2/3 lower, even 100 years ago the difference in age, is the difference in a few degrees in mother earth.
What if... it should be hotter?
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