A) Being the largest lake by surface area B) Being the warmest lake in Siberia C) Being the deepest freshwater lake in the world D) Having the largest volume of saltwater
A) 2,000 meters B) 1,200 meters C) 1,400 meters D) 1,642 meters
A) Russia B) Mongolia C) Kazakhstan D) China
A) Introduced species B) Invasive species C) Migratory species D) Endemic species
A) Irkutsk B) Yakutsk C) Khabarovsk D) Vladivostok
A) Olkhon Island B) Vitus Bering Island C) Franz Josef Land D) Sakhalin Island
A) 1992 B) 1996 C) 2000 D) 1985
A) Overfishing B) Invasive species C) Pollution D) Drought
A) 25,000 square kilometers B) 50,000 square kilometers C) 40,000 square kilometers D) 31,722 square kilometers |