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 over 60 species of kangaroos in Australia and, consequently kangaroos can be found in numerous places throughout Australia. Some members of the kangaroo family can be very small, and these smaller members dig burrows in desert and semi-arid areas, living on insects, larvae, fungi and plant roots.o. these Marsupials are native to Australia. There are a couple of colonies of Australian Wallabies that have been introduced into New Zealand, one in south Canterbury, and o â¦ ne on Kawau Island in the north.