Q 01/05

Which is the largest and deepest of Earth's oceans?

A) Atlantic

B) Pacific

C) Indian

D) Arctic

Answer · why

B) Pacific

The Pacific is both the largest ocean and the deepest: its Challenger Deep in the Mariana Trench reaches about 10,900 metres, deeper than Everest is t...

Q 02/05

Which river carries more water than any other on Earth?

A) The Nile

B) The Mississippi

C) The Yangtze

D) The Amazon

Answer · why

D) The Amazon

The Amazon discharges about 200,000 cubic metres of water per second into the Atlantic, roughly a fifth of all river water entering the world's oceans...

Q 03/05

The Nile River flows north and empties into which sea?

A) The Mediterranean

B) The Red Sea

C) The Black Sea

D) The Arabian Sea

Answer · why

A) The Mediterranean

The Nile empties into the Mediterranean through the Nile Delta north of Cairo; at roughly 6,650 km it is usually ranked the world's longest river, fed...

Q 04/05

The Sahara is the largest hot desert, but which two deserts are bigger overall?

A) Gobi and Kalahari

B) Arabian and Mojave

C) Antarctica and the Arctic

D) Atacama and Patagonian

Answer · why

C) Antarctica and the Arctic

Antarctica and the Arctic are polar deserts: a desert is defined by scant precipitation, not heat, and at roughly 14 million square km each they outsi...

Q 05/05

Mount Everest sits on the border between Nepal and which other country?

A) India

B) China

C) Pakistan

D) Bhutan

Answer · why

B) China

Everest straddles the Nepal–China border, with its north face in Tibet; Nepal and China jointly resurveyed the summit in 2020 and announced a single a...