Here are the answers to your questions:
Question 1: False
Question 2: False
Question 3: True
Question 4: True
Question 5: True
Question 6: Latvia (assuming the star is in the Baltic States region)
Question 7: Riga (the capital of Latvia)
Question 8: A large number of foreign consulates, international corporations, and banks are located there.
Question 9: The Caucasus Mountains (assuming the star is in that region)
Question 10: Erosion has exposed many valuable minerals.
Question 11: The Russian Plain is the most populated region of Russia.
Question 12: Russia is north and west of China.
Question 13: 2 miles (the Bering Strait between Russia and Alaska is about 2.4 miles wide at its narrowest point)
Question 14: Permanently frozen subsoil, occurring in perennially frigid areas.
Question 15: lemming
Question 16: Lack of proper soils and favorable climates
Question 17: They are both Northern Hemisphere, warm-temperate forests.
Question 18: Because deciduous forests have fertile soil and a long growing season
Question 19: The Volga River (assuming the map is of Russia)
Question 20: The Danube River
Question 21: The workers
Question 22: The Berlin Wall was erected to prevent skilled workers leaving the country.
Question 23: The U.S. and the U.S.S.R. were at the point of war, without being an actual war.
Question 24: Romania
Question 25: No greenhouse emissions
Question 26: Nuclear waste remains active for hundreds of years.
Question 27: The heat from buildings melts the ice in the permafrost below and water is then displaced.
Question 28: Global warming
Question 29: Students may choose any school they would like to attend.
Question 30: Finland (as it generally has a higher support rate for nuclear energy compared to the other countries listed)
Please adjust any answers based on the specific context or maps you have.