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