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| | #16 | |
| nothing of consequence Join Date: Mar 2007
Posts: 2,358
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We may foul up the earth a bit for a few centuries. But the planet has been around for five billion years, it'll recover from whatever we throw at it relatively quickly. There is very little we could do to really permanently affect the Earth.
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| | #17 |
| It is a wonderful name. Join Date: May 2004 Age: 17
Posts: 2,792
Rep Power: 9 ![]() ![]() ![]() | brb, gonna spray some aerosol into the atmosphere while I leave my car's engine running |
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| | #18 | |
| The World Begins With... Join Date: Sep 2007 Location: In a cereal box
Posts: 1,169
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__________________ Revolutionaries wait For my head on a silver plate. Just a puppet on a lonely string Oh, who would ever want to be king? ![]() Dreaming of a Wonderful World Never EVER take my pancake recipe! But then I close my eyes and try to smile, I know things are bad and getting worse. But after all this, I can last a while. And then I'll Party, PARTY! | |
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| | #19 | |||
| Think smaller, more legs. Join Date: Dec 2005 Location: Blowing up The storm's around. In a silence Have a better dream. There is an end but it's endless. Age: 15
Posts: 6,531
Rep Power: 9 ![]() | Quote:
Quote:
*Points at people* Wimpy wimpy wimpy.
__________________ HELL, IT'S ABOUT TIME. Time for Kerrigan to be dethroned. Time for Duran to make his 'galaxy-changing' move. And most of all, time for the Protoss to kick some Serious. Zerg. Ass. Quote:
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| | #20 |
| nothing of consequence Join Date: Mar 2007
Posts: 2,358
Rep Power: 4 ![]() | Thank you for summing up what I was trying to say in fewer words.
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| | #21 |
| The Golden Guy, v2 | Ut's true that thw world goes through the warming and cooling process, but we are Speeding up the warming process..Which if you didnt know is WAY BAD... |
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| | #22 |
| Your Mom's Mom's Daughter Join Date: Feb 2007 Location: Orlando Florida Age: 15
Posts: 1,320
Rep Power: 4 ![]() ![]() | What proof do you have that will support that statement? OTHER than the Earth's natural cycles, because Humans weren't a variable at that time.
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| | #23 |
| swathed in ever-light | Granted, there is a faux populism around global warming; however, to be a contrarian is something else undesired.
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| | #24 | |
| Think smaller, more legs. Join Date: Dec 2005 Location: Blowing up The storm's around. In a silence Have a better dream. There is an end but it's endless. Age: 15
Posts: 6,531
Rep Power: 9 ![]() | mebbe that volcanic eruptions are often more harmful than us, and that earth has gone through quite a few of those?
__________________ HELL, IT'S ABOUT TIME. Time for Kerrigan to be dethroned. Time for Duran to make his 'galaxy-changing' move. And most of all, time for the Protoss to kick some Serious. Zerg. Ass. Quote:
![]() Xfire account: hillzagold Games: Call of Duty 4 Team Fortress 2 World in Conflict Empire Earth 3 Crysis Wii codes: SSBB - 5026-4156-4714 | |
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| | #25 | |
| nothing of consequence Join Date: Mar 2007
Posts: 2,358
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65 MY ago — at the Cretaceous-Paleogene transition (the K/T or Cretaceous–Tertiary extinction event) about 50% of all species became extinct. It has great significance for humans because it ended the reign of dinosaurs and opened the way for mammals to become the dominant land vertebrates. In the seas it reduced the percentage of sessile animals to about 33%. The K/T extinction was rather uneven — some groups of organisms became extinct, some suffered heavy losses and some appear to have been only minimally affected. 200 MY ago — at the Triassic-Jurassic transition (the Triassic-Jurassic extinction event) about 20% of all marine families as well as most non-dinosaurian archosaurs, most therapsids, and the last of the large amphibians were eliminated. 251 MY ago — at the Permian-Triassic transition, Earth's largest extinction (the P/Tr or Permian-Triassic extinction event) killed 53% of marine families, 84% of marine genera, about 96% of all marine species and an estimated 70% of land species (including plants, insects, and vertebrate animals). The "Great Dying" had enormous evolutionary significance: on land it ended the dominance of mammal-like reptiles and created the opportunity for archosaurs and then dinosaurs to become the dominant land vertebrates; in the seas the percentage of animals that were sessile dropped from 67% to 50%. The whole late Permian was a difficult time for at least marine life — even before the "Great Dying", there was level of extinction large enough to be included in the "Big Five". 360 MY ago — near the Devonian-Carboniferous transition (the Late Devonian extinction) a prolonged series of extinctions eliminated about 70% of all species. This was not a sudden event — it lasted perhaps as long as 20 MY, and there is evidence for a series of extinction pulses within this period. 444 MY ago — at the Ordovician-Silurian transition two Ordovician-Silurian extinction events occurred, and together are ranked by many scientists as the second largest of the five major extinctions in Earth's history in terms of percentage of genera that went extinct. 488 million years (MY) ago — a series of mass extinctions at the Cambrian-Ordovician transition (the Cambrian-Ordovician extinction events) eliminated many brachiopods and conodonts and severely reduced the number of trilobite species. We seem to have recovered quite nicely.
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| | #26 |
| Keyblade Novice Join Date: Mar 2008 Age: 17
Posts: 68
Rep Power: 0 ![]() | Hasn't it occured to you that it's better to do something about the problem instaid of waiting and see if it will turn out better then expected. If you do nothing it will very likely have severe consequenses. |
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| | #27 |
| swathed in ever-light | I'd rather take a few more conservation steps in my daily routine then run a plausible risk of having disastrous world climate change effects. And to be honest, a little more conservation ethic for our nation might do us some good anyway.
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| | #28 |
| nothing of consequence Join Date: Mar 2007
Posts: 2,358
Rep Power: 4 ![]() | I have nothing against saving the environment, despite the image I probably give off.
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| | #29 | ||
| Your Mom's Mom's Daughter Join Date: Feb 2007 Location: Orlando Florida Age: 15
Posts: 1,320
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Quote:
Sorry if I missed somthing but, it never says what caused these extinctions.
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| | #30 | |
| nothing of consequence Join Date: Mar 2007
Posts: 2,358
Rep Power: 4 ![]() | The point that he was trying to get across was proved nonetheless. Quote:
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