How much do you know about our planet?

1. What is the highest mountain in the world?

K2

Everest

Cho Oyu

Kangchenjunga

2. What is the deepest ocean in the world?

Indian Ocean

Atlantic Ocean

Pacific Ocean

Arctic Ocean

3. What is the longest river in the world?

Congo

Nile

Amazon

Yangtze-Kiang

4. What is the largest desert in the world?

Australian

Kalahari

Sahara

Gobi

5. What is the largest lake in the world?

Lake Superior

Lake Victoria

Great Bear

Caspian Sea