Vocabulary. Practice
Match the words to the sentences to complete the idea of the statement.

• Объекты 1
  • Lake Baikal is the oldest ......................... in the world.
  • It's not easy to see some of the creatures that live in the lake; they are almost ............................
  • In winter, thin .............................. cover the lake.
  • The lake is ......................... to about 2500 species of plants and animals.
• Объекты 2
  • freshwater lake
  • invisible
  • sheets of ice
  • host