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
Human intervention has played a major role in many of the worldâs more recent animal extinctions, but according to a new study, our Ice Age ancestors may have been responsible for the disappearance of prehistoric âmegafaunaâ such as the wooly mammoth and the saber-toothed tiger.