Match the words to make phrases.

• Объекты 1
  • in great
  • polar
  • sea
  • extreme
  • greenhouse
  • heat
  • mountain
  • become
  • low-lying
  • under
  • ice
  • die
  • energy-saving
  • global
  • fossil
• Объекты 2
  • out
  • extinct
  • caps
  • fuels
  • bears
  • level
  • up
  • warming
  • gas
  • glaciers
  • bulb
  • areas
  • weather
  • threat
  • danger