If pills are taken every day at the same time, and each pack is started on time, oral contraceptives are 99% effective in preventing pregnancy. On average, oral contraceptives are 93-97% effective because women often miss pills or do not start a new pack on time.
A kangaroo is an animal found only in Australia, although it has a smaller relative, called a wallaby, which lives on the Australian island of Tasmania and also in New Guinea.Kangaroos eat grass and plants. They have short front legs, but very long, and very strong back legs and a tail. kangaroo is an animal found only in Australia, although it has a smaller relative, called a wallaby, which lives on the Australian island of Tasmania and also in New Guinea.
The ancestors of tree kangaroos eventually headed back up into the foliage and they are now the largest tree-dwelling mammals in Australia. Tree kangaroos live in lowland and mountainous rainforests in Papua New Guinea, Indonesia and the far north of Queensland, Australia.any tree kangaroo species are incredibly rare and most are decreasing in number. These animals represent an interesting divergence in the evolution of Macropodsâthe family of marsupials that includes kangaroos and wallabies.