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Politics : View from the Center and Left -- Ignore unavailable to you. Want to Upgrade?

To: d[-_-]b who wrote (114272)	7/1/2009 9:25:24 AM
From: Wharf Rat	Read Replies (2) \| Respond to of 541917

only fungi survive ->>> another green period in Earth history with diverse animals . It's called evolution. = The Tethys Sea connecting the tropical oceans east to west also helped in warming the global climate. Warm-adapted plant fossils are known from localities as far north as Alaska and Greenland, while dinosaur fossils have been found within 15 degrees of the Cretaceous south pole.[9] A very gentle temperature gradient from the equator to the poles meant weaker global winds, contributing to less upwelling and more stagnant oceans than today. This is evidenced by widespread black shale deposition and frequent anoxic events.[10] Sediment cores show that tropical sea surface temperatures may have briefly been as warm as 42 °C (107 °F), 17 °C (31 °F) warmer than at present, and that they averaged around 37 °C (99 °F). Meanwhile deep ocean temperatures were as much as 15 to 20 °C (27 to 36 °F) higher than today's.[11][12] At the peak of the Cretaceous transgression, one-third of Earth's present land area was submerged.[4] (no polar ice, eh?) en.wikipedia.org