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 this majestic animal which is in danger.
Name the tallest waterfall.
Angel Falls
Niagra Falls
Jog Falls
Which is the deepest lake?
Caspian Sea
Name the lowest river in the world.
Ganga
Jordan River
Hudson
Tiber
Which is the biggest ocean?
Atlantic Ocean
Indian Ocean
Arctic Ocean
Pacific Ocean