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
Across Canada, habitat loss, pollution, invasive species, climate change, and unsustainable harvesting have pushed over 500 species dangerously close to extinction. Species of every description, from lichens to leatherback turtles, whooping cranes to wood bison are at risk.