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

Its deepest spot, the Challenger Deep in the Mariana Trench, goes down 10,928 metres, deeper than Everest is tall.

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

Whether it or the Nile is the longest is still argued about, but on volume of water it wins easily.

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

At about 7,088 km it is usually counted as the world's longest river, fed by the White Nile and the Blue Nile.

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

A desert is defined by how little precipitation falls, not by heat, so the frozen poles count.

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

A 2020 survey by the two countries put its height at 8,848.86 metres.