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.
1 Red Kangaroos are not only the largest kind of kangaroos in the world, but the largest marsupial on the planet, too. 2  Red Kangaroos can be as tall as seven feet and can weigh up to 200 pounds. 3  They live in the dry areas of Australia. Eastern Grey Kangaroos may not be as well known as the Red Kangaroos, but since they tend to live in the fertile parts of Australia where more people live, they are seen the most. 2  Western Grey Kangaroos are found in the southern and southwestern areas of Australia.