Geography
What is the longest river in the world?
The Nile River, at 6,650 km
Who's the richest person alive today?
Elon Musk (estimated worth of US$247 billion)
What is the biggest country in the world?
Russia with a total area of 17,098,242 Km²
How old is the oldest person alive today?
Tomiko Itooka (Japan, b. 23 May 1908), is 116 years old
Which is colder, the Arctic Circle or the Antarctica?
the Antarctica, with average temperatures of −43.5 °C in the interior
What is the tallest mountain in the world?
Mount Everest at 8,849 m
What's the deepest ocean on Earth?
The Pacific Ocean, at 35,814 feet below sea level (10,916 meters)