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
The giants of the ice age such as elephant-sized sloths and sabre-toothed tigers were pushed into extinction within 100 years by a double whammy of warming and hunting by man. They once roamed the windswept plains of Patagonia in the southern tip of South America along with humans.