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