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 more kangaroos than people in Australia. The four species of kangaroo that are commercially harvested have very large populations. None is threatened or endangered. The Red kangaroo, Eastern grey kangaroo and Western grey kangaroo are the most abundant species and make up over 90 per cent of the commercial harvest. Their combined population size has fluctuated between 15 and 50 million animals over the past 25 years in the harvested areas, depending on seasonal conditions..