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 Red kangaroo lives in Australia. Red Kangaroos do not live in sandy deserts because there is not enough food for them. They live in grasslands, bushland and other well-veg â¦ etated areas, as well as semi-arid areas where there is plenty of vegetation and permanent waterholes.Much of Australia's desert is not sandy desert. The red kangaroo can be found in parts of the Simpson Desert, Gibson Desert and the Great Victoria Desert.ennett's Tree Kangaroo and Lumholtz's Tree Kangaroo both live in the rainforests of Cape York in â¦ Far North Queensland, Australia. There are also five species of tree kangaroo on the island of New Guinea, which comprises the countries of Papua New Guinea and Irian Jaya (Indonesia).