Презентация по английскому языку на тему "Blue whales" (9 класс)

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  Blue whales
  

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  Habitat
  Before whaling, blue whales
  lived in all the oceans.
  The seas of Canada, the
  Atlantic ocean and the seas to
  the South of Madagascar are
  some of the most popular
  regions where you can meet
  blue whales nowadays.
  Other regions are the
  Southern ocean and the Davis
  Strait.
  

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  Interesting qualities of blue whales
  These whales are not only
  the largest whales, but also
  the largest mammal species
  ever living on Earth.
  Despite the huge size of the
  animal, blue whales can swim
  at speeds of 25 to 30 miles per
  hour.
  These whales have a very
  distinctive way of
  communicating with each
  other. They use low-frequency
  sound waves to send a sound
  signal.
  

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  Why are blue whales endangered?
  During whale hunting, the
  population of blue whales has
  decreased so much that today
  they are threatened with
  extinction.
  Mainly whaling was carried out
  by fishing vessels of the Soviet
  Union in the Southern ocean.
  Whales become victims of
  the movement of sea
  transport, getting under the
  ships as they usually live in
  surface waters. Their
  enormous size implies that
  they have no sea predators.
  Therefore, humans are the
  main reason for the threat
  of extinction of these
  whales today.
  

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  Action taken
  The international whaling Commission is taking various measures to protect these beautiful animals. Was created a Commission of experts to deal with hunting and predation in relation to these whales. Unlike other sea animals, these ones produce only one cub at a time. Female blue whale gives birth only once every two years, so their number does not increase greatly.
  

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  Thank you for your attention