Evolutionists say the dinosaurs died out about 65 million years ago. How? Well, I’ve read that there are over 50 different theories. Let me just list a few:
-Mammals eating dinosaur eggs.
-New narcotic plants evolving.
-Global cooling/global warming.
-Loss of plants causing herbivores to starve which in turn caused the carnivores to starve.
-A supernova exploded nearby, spraying the earth with radiation.
-A passing comet poisoned the earth with chemicals.
One of the current favorites (that you mentioned) is the “deep impact” theory proposed by the geologist Walter Alvarez in about 1980. This theory states that a meteor strike caused dramatic climate changes much like a “nuclear winter” which supposedly caused the extinction of the dinosaurs and many other animals. His evidence was his discovery of an alleged world-wide layer of clay with a high iridium content, which is found in meteorites. Well, there are plenty of papers that talk about the problems with this theory. One, is that the earth’s core also has iridium in it that can be brought up by volcanos. Many Creationists believe the flood would have caused the greatest volcanoes that there have ever been, and some believe God pelted the earth with meteors during the flood as well. And why did the alleged impact kill off the dinosaurs while many other forms of life that you would expect to die remained healthy?
2007-09-05 11:32:33
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answer #1
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answered by Questioner 7
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The oceans didn't freeze over. What happened was that a large asteroid hit Earth at what is now the Gulf of Mexico (you can see the crater underwater) and so much debris was thrown up into the atmosphere for so long that the sun was virtually blotted out of the sky.
Plants couldn't grow, and things that ate plants starved. Things that ate things that ate plants went hungry too. Dinousaurs starved out, along with a lot of other species.
The clinching evidence for this theory is a thin layer of irridium that suddenly appears to cover the entire Earth at exactly the same geological time that dinosaur bones stop appearing as fossils. Irridium is very rare on Earth, but plentiful in asteroids.
Put it all together and you get a pretty good picture of the dinosaurs dying out because of a large asteroid striking the Earth, blotting out the sun with irridium-rich debris.
2007-09-02 23:12:30
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answer #2
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answered by Anonymous
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An important distinction to make is that there is no single event which single handedly wiped out the dinosaurs in one fell swoop, but rather caused them to decline over millions of years until they became extinct. Asteroid impact is only one of the various extinction events thought to have occurred, the most famous one being the Chicxulub crater (now filled in by sediments in the ocean but detected with geology techniques) on the Yucatan peninsula in Mexico.
The evidence for the asteroid theory is a thin layer of iridium ( a rare element on earth but abundant in asteroids), which is present over many parts of the world in the same part of the rock record, indicating a massive asteroid impact.
Other major factors include volcanic activity (Deccan traps, etc). Climate changes over geological time will be v difficult to analyse since we still don't know exactly what's happening with the climate today.
2007-09-02 23:06:52
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answer #3
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answered by some_blk 2
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There are several theories provided to explain the demise of dinosaurs. One of the more dramatic is the asteroid conflagration theory. Lately, it has gained more scientific support by researchers who were able to closely associate the time of the disappearance of dinosaurs and other species with the cycle of asteroid bombardment of the earth. One such period is one indicated by the K-T (cretaceous-tertiary) layer of the earth where unusual deposit of substance abundant in asteroids is unusually present. Coincidentally, this is also the time of the demise of dinosaurs. The theory is made more credible by the cycle or periodic bombardment of asteroids is very much time associated with the demise of old species and the proliferation of new ones.
2007-09-02 23:30:34
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answer #4
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answered by Joe M 2
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There is proof. The gulf of mexico has been proven to be the impact crator of that ancient asteroid. The gulf of mexico is VERY rich in iron ore, (which is what asteroids are made of) compared to the rest of the ocean. The only explaination for the geological formations and the presence of the iron particulates is presence of an asteroid.
Second, the Oceans didn't freeze. When the asteroid hit it broke into several parts, creating the mountins of mexico, this combined with the steam of the ocean created a huge cloud which caused the Ice Age killing the Dinosours.
Hope that helped,
Jer
2007-09-02 22:58:46
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answer #5
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answered by Anonymous
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The asteroid didn't kill the dinosaurs. The impact sent large amounts of dust and ash into the atmosphere which blocked out some of the sun's rays temporarily until it finally settled back to earth. Of course this is all theory, but one that seems to have some scientific support.
People underestimate the amount of temperature change that would bring on an "Ice age". 8 degrees +/- would be all that would be needed to drastically alter the earths weather patterns enough to wipe out a large portion of the earths species.
2007-09-02 22:54:50
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answer #6
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answered by H M 3
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Then why can't we be time lords????? Also, why would't our history have any recollection of this ever happening? That would probably be something people would want to write down... And how would cave people get a UFO in the first place??????? (Yes I am way over thinking every small detail of this)
2016-05-20 00:12:09
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answer #7
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answered by ? 3
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Research articles about the "K-T boundary" (Cretaceous-Tertiary boundary) and you just might be able to see the reasoning and logic behind your enemies' opinions. In that way you may be able to understand them better, and use that knowledge to strengthen your own opinions :)
EDIT: Never mess with Stone Cold! LOL
2007-09-02 22:59:10
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answer #8
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answered by Anonymous
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The frozen sea was the start of another Ice-Age.We will have another new Ice-Age soon.The ice is melting at such a rapid rate, Mother Nature will find a way to re-dress the Balance.The Dinosaurs were killed by Volcano's/ Earthquakes.
2007-09-02 22:55:00
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answer #9
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answered by Lindsay Jane 6
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(Who said the oceans Froze, never happened).....and there is enough evidence that it did happend that way...as for the asteroids we've found the craters... what more do you want. you might be mistaking the ice bridge with the fall of the dinasours...
2007-09-02 22:52:46
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answer #10
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answered by Spike Spiegel 2
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