Found This Helpful. A copyright is a type of legal protection afforded to authors of original works of drama, literature, art and music. For example, copyrights protects books, songs, plays, poems, stories, software, movies and architecture.If you wish, you may register your work with the U.S. Copyright Office.ips & Warnings. 1  If a work has not been registered with the U.S. Copyright Office, it is not possible to determine if a work has been copyrighted without contacting the author. 2  Though you will not risk a lawsuit if it is not registered with the U.S. Copyright Office.
The great splat of an asteroid that might have wiped out the dinosaurs apparently didn't get all of them. New fossil evidence suggests some dinosaurs survived for up to half a million years after the impact in remote parts of New Mexico and Colorado.
Dinosaurs became extinct about 65 million years ago at the end of the cretaceous period (see what cretaceous dinosaurs were around at this time). About 70% of all animal life on earth died out. Scientists call it a mass extinction â it wasnât the first mass extinction in earthâs history and it probably wonât be the last! Having existed for 165 million years, why did dinosaurs die out? There are many different theories about why this happened.