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