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).
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).