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
Habitat Loss and Fragmentation. Orangutans are endangered. due to loss of. their rainforest habitat. Habitat loss, as a result of human demand, is widely considered to be the most important cause of animal extinction. Rainforests are the main habitats for tropical animals. There are huge demands laid constantly on forests by various parties.