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The End Permian Mass Extinction
3,006 wordsIntroduction Think of a world which existed 290 million years ago. As you look out over the trade in front of you, you think that you are on an alien planet. You see volcanoes spewing ash and lava. Beside them is the ocean which is swarming with many different species of echinoderms, bryozoans and brachiopods. As you look down onto the sea floor you are amazed at the countless number of starfish and urchins. Some animals leave you can't even describe and you have no idea even what phylum they be...
Free research essays on topics related to: permian extinction, oceanic crust, ocean basins, marine organisms, mass extinction -
Rise In Sea Level Atmospheric Co 2
1,132 wordsGlobal Warming Debate The global warming is caused by emissions of over 20 gases into the atmosphere. The major contributors are carbon dioxide (CO 2), ozone, methane, nitrous oxide and chlorofluorocarbons (CFCs). Although these gases are produced by many industrial processes, the major source is the burning of fossil fuels in boilers, furnaces and automobile engines. When released into the air in large quantities, these gases cause the earths atmosphere to warm by trapping the suns heat. Infrar...
Free research essays on topics related to: atmospheric co 2, infrared radiation, earths atmosphere, carbon dioxide, rise in sea level
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