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