66 a) Do the quiz. Match the questions with the answers. Questions

Matching Questions and Answers:

• 1. How much of the Earth's surface is covered with water? — e) About 75% of the Earth surface is covered with it.
• 2. How many oceans are there on the Earth's surface? Name them. — a) Five. The Arctic Ocean, the Atlantic Ocean, the Indian Ocean, the Pacific Ocean, the Southern Ocean.
• 3. How many seas is Russia washed by? — b) By thirteen seas.
• 4. What is the world's oldest, deepest and clearest lake? — c) Lake Baikal. It is located in Siberia.
• 5. Why is Moscow called the port of five seas? — f) The Russian capital is the port of five seas, as the Volga Canal links the city with the Baltic Sea, the White Sea, the Caspian Sea and the Black Sea as well as with the Sea of Azov.
• 6. What is the largest lake in Russia and in the world? — g) The Caspian Sea. It is called a sea only because of its size.
• 7. What is the longest river in Russia? — d) The Ob River. It flows through western Siberia.

Note: Question 6 and answer g describe the Caspian Sea, which is technically a lake, not a sea, due to its landlocked nature, but is often referred to as the world's largest lake.