<Tab/>Various theories have been put forward for the mass-extinction about 65 million years ago at the end of the cretaceous period that caused the extinction of the dinosaurs: These range from disease to tropical cyclones and even alien abductions have been suggested. However the most popular theory is that a giant meteor struck the Earth. This came about from guesswork and from a high level of the rare amount Iridium found …showed first 75 words of 701 total…

…showed last 75 words of 701 total…possible that volcanics could be the source of the Iridium Spike. The dinosaurs actually died off gradually: not very suddenly as this theory suggests. While most of the scientific community heartily embraces the theory, the majority of paleontologists reject it. Many paleontologists are willing to believe that a meteor impact could have occurred, but don't accept that it caused the extinctions. It could have been the last straw that finished off an already dying breed.