Expand your knowledge of countries, history, geography, organizations, discoveries, important personalities and world records.
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Which gas is commonly known as laughing gas?
Which gas makes up the majority of Earth's atmosphere?
Which strait separates Asia from North America?
The Great Wall of China was primarily built to protect against which threat?
What is the hardest natural substance on Earth?
Which sport is associated with the term 'googly'?
Which river is known as the Yellow River in China?
Which is the largest desert in the world (including cold deserts)?
What is the currency of South Africa?
What is the capital city of Brazil?
The headquarters of Interpol is located in?
Which is the driest desert in the world?
Which young tennis star became one of the youngest Grand Slam champions of the modern era?
Who is considered the founder of modern nursing?
The independence movement leader Nelson Mandela became president of which country?
Which poet is known as the national poet of Pakistan?
The Nobel Prize is awarded annually in memory of which scientist?
Which planet in our solar system has the most moons?