Which is the longest mountain range in South America?
Alps
The Andes
Taja Peak
Name the longest river in the world.
Nile River
Amazon River
River Volga
River Thames
Name the tallest mountain in the world.
Mount Everest
Kilimanjaro
Mount K2
Which is the largest salt lake?
Lake Superior
Dead Sea
Lake Baikal
Ojos Del Salado
Name the tallest waterfall.
Angel Falls
Niagra Falls
Jog Falls
This is the largest fresh water lake in the world.
Caspian Sea
