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Are dinosaurs a hoax?
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<blockquote data-quote="911" data-source="post: 1402282" data-attributes="member: 11221"><p>Ancient eras like the Paleozoic or Jurassic had very high CO2 levels, up to 14 times current levels, so plant life was exploding then:</p><p></p><p>[ATTACH=full]27379[/ATTACH]</p><p></p><p>The planet was much warmer, even Antarctica was covered in jungle-like swampy forests (as depicted below). The rise in CO2 led to an explosion in plant and animal life, animals like dragonflies grew to the size of a hawk.</p><p></p><p><img src="https://img.particlenews.com/img/id/30vJUr_0OjDsH4Q00?type=webp_1024x576" alt="" class="fr-fic fr-dii fr-draggable " style="width: 622px" /></p><p></p><p>In comparison, we currently live in the Holocene, an era when the earth is still relatively CO2-starved, wedged between ice ages, in what is geologically speaking a very brief interglacial period respite, just after a period when most of the inhabitable land mass on earth is covered with a thick ice shelf. Cities like NY or London were covered with a mile of ice only 15,000 years ago, 10,000 years ago only Southern Europe was really inhabitable. The glaciation will likely resume in a few millennia. Plant life was much, much richer in prehistoric times millions of years ago vs the more recent past in the last million years.</p><p></p><p><img src="https://static.skepticalscience.com/images/Temperature_Interglacials.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="911, post: 1402282, member: 11221"] Ancient eras like the Paleozoic or Jurassic had very high CO2 levels, up to 14 times current levels, so plant life was exploding then: [ATTACH type="full" alt="1606766820498.png"]27379[/ATTACH] The planet was much warmer, even Antarctica was covered in jungle-like swampy forests (as depicted below). The rise in CO2 led to an explosion in plant and animal life, animals like dragonflies grew to the size of a hawk. [IMG width="622px"]https://img.particlenews.com/img/id/30vJUr_0OjDsH4Q00?type=webp_1024x576[/IMG] In comparison, we currently live in the Holocene, an era when the earth is still relatively CO2-starved, wedged between ice ages, in what is geologically speaking a very brief interglacial period respite, just after a period when most of the inhabitable land mass on earth is covered with a thick ice shelf. Cities like NY or London were covered with a mile of ice only 15,000 years ago, 10,000 years ago only Southern Europe was really inhabitable. The glaciation will likely resume in a few millennia. Plant life was much, much richer in prehistoric times millions of years ago vs the more recent past in the last million years. [IMG]https://static.skepticalscience.com/images/Temperature_Interglacials.gif[/IMG] [/QUOTE]
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