A) China B) Russia C) USA D) Canada
A) Lake Superior B) Lake Baikal C) Caspian Sea D) Lake Tanganyika
A) Kangaroo B) Baikal seal C) Polar bear D) Giraffe
A) 512 B) 157 C) 273 D) 336
A) 1970 B) 2020 C) 1996 D) 2005
A) 27 B) 10 C) 5 D) 50
A) Tokyo B) New York C) Paris D) Irkutsk
A) Overfishing B) Invasive species C) Climate change D) Pollution
A) 1,642 meters B) 500 meters C) 800 meters D) 3,000 meters |