1. Proponents for trying juveniles as adults believe that a crime is a crime, even if the person who committed it was very young at the time. Typically, juveniles who display a propensity for committing crime will continue to do so, even as they get older.Their crimes may even become more serious in nature.roponents for trying juveniles as adults believe that a crime is a crime, even if the person who committed it was very young at the time. Typically, juveniles who display a propensity for committing crime will continue to do so, even as they get older. Their crimes may even become more serious in nature.
Confidence votes 3. In the wild polar bears can live anywhere from 20 to 30 years, with the average lifespan being 24 to 25 years. In captivity they have been known to live up to 45 years. You can find out how old a polar bear is by removing a tooth (but be very careful when you do this!).
Where Do Grizzly Bears Live. These types of brown bears are known to reside across North America, Europe, and Asia. Their ancestors were believed to have emerged some 50,000 years ago. Previously, these mammals were all over Mexico and Alaska as well as Far East and western shores of Hudson Bay. The average lifespan of grizzly bears is 20 â 25 years even some species are expected to survive up to 30 years. 2  As compared to black bears, grizzly bears are slightly more aggressive when it comes to defending their territories.