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A long, long, long time ago! But if you want an actual figure on it, it is roughly 64 million years ago ~ told you it was along time ago! Why they died out still remains a mystery. Some people think that dinosaurs stopped having daughters, so there was no reproduction going on. Others believe that a huge meteorite hit the world and destroyed them all. In fact, no one really knows for sure.
There are a number of theories though ~ some are scientific and some are beyond belief. Most scientists however, believe in one or two main theories, but again, no one is absolutely certain why dinosaurs became extinct because no one was around to see or hear what was going on back then ~ and no one kept any records! Most theories centre around either volcanic activity or a massive ice-age. Other theories are that they all became diseased or that they were abducted by aliens ~ yes, some really do!
What we do know comes mainly from fossil records. Scientists study the fossils themselves, and they study the rock in which the fossils are found. Fossil records haven't given us definite proof for any one theory. This is because there are some problems with fossil records. For one thing, most fossil evidence of dinosaurs has been found in North America. We don't know as much about dinosaur activity on other parts of the earth. Another problem is that it is very hard to date fossils.
There are a number of theories though ~ some are scientific and some are beyond belief. Most scientists however, believe in one or two main theories, but again, no one is absolutely certain why dinosaurs became extinct because no one was around to see or hear what was going on back then ~ and no one kept any records! Most theories centre around either volcanic activity or a massive ice-age. Other theories are that they all became diseased or that they were abducted by aliens ~ yes, some really do!
What we do know comes mainly from fossil records. Scientists study the fossils themselves, and they study the rock in which the fossils are found. Fossil records haven't given us definite proof for any one theory. This is because there are some problems with fossil records. For one thing, most fossil evidence of dinosaurs has been found in North America. We don't know as much about dinosaur activity on other parts of the earth. Another problem is that it is very hard to date fossils.
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Guest
answered 3 years ago
This is so old, most dinosaurs died out ~4000 years ago in a large flood, but there are still some with us today. There is more proof of this then the theory of earth and dinosaurs existing millions of years ago.
Here is the site with facts, not theory, it is awesome.
Http://www.drdino.com/
Http://www.drdino.com/
Houlekev - Please don't spread your bedtime stories as truth. They are fable and nothing else. You can't prove anything with evidence and fact. Your last recourse is obviously - it's in the Bible or God said it. To prove your point you need physical evidence - not fabrication.
Guest
answered 7 months ago
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answered 6 months ago
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answered 5 months ago
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answered 5 months ago
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answered 5 months ago
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