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.
Kangaroos are large marsupials that are found only in Australia. They are identified by their muscular tails, strong back legs, large feet, short fur and long, pointed ears.angaroos are the only large animals that hop as a primary means of locomotion. Their springy hind legs and feet are much stronger and larger than their arms (or forelimbs). According to the San Diego Zoo, kangaroos can cover 15 feet (7 m) in a single hop and can hop as fast as 30 mph (48 kph).
Yes: most species of kangaroo are native to Australia. Sources vary concerning the number of kangaroo species altogether in Australia and the tree kangaroos in both Australia â¦ and New Guinea, but the total is around 70. All but the tree-kangaroos are native to Australia alone. There are ten recognised species of tree kangaroos in Australia, Papua New Guinea and Indonesia, and only two of these are native to Australia On the Wallaby Passionate about all things Australian