1 The Depo-ProveraÂ® shot is very effective in preventing pregnancy. 2  It is important to get your shot every 13 weeks (3 months).  Periods can be heavier initially, and then lighter, or absent while on Depo-ProveraÂ®.
there are three animals close to being extinct wich are the polar bears, tigers and dolphins but dolphins are probably the closest one to becoming extinct. hope we ansered you â¦ r question. Jake Wayne
Another Ice Age Animal. There is one other theory about the extinction of the Ice Age creatures. Human beings, too, crossed the Beringia land bridge into North America, probably around 12,000 years ago, late in the Ice Age.