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.
Kangaroos are native to Australia alone-no other continent or island. Tree kangaroos can be found in New Guinea as well as in the far northern rainforests of Australia, but that is the only variety found anywhere else apart from Australia.Kangaroos' habitats include grasslands, mulga scrub, bushland (not too dense) and open plains-wherever there is food, and shade trees.ed 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.