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 100 exotic birds on the verge of extinction. Scientists from ZSL and Yale University have compiled a list of the rare birds at risk of extinction - and it includes the 'little dodo'. Hunting, deforestation and habitat degradation have pushed one in eight bird species to the edge of extinction, according to top scientists from the UK and US.