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.
There are about 60 species of Kangaroo in Australia which are unique to Australia. There are several species of Tree Kangaroo which are native to New Guinea and parts of Indonesia.owever, the tree kangaroos are also native to New Guinea and limited islands of In â¦ donesia. Kangaroos live almost exclusively in Australia, with some living only in some parts of Papua New Guinea. Kangaroos can live in arid or cold conditions, in rain forests or deserts.