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100

Released by Sony in 1979, which iconic portable cassette player revolutionized how people listened to music on the go and became a generic term for personal stereos?

Walkman (or cassette player)

100

In which European country can you visit the Leaning Tower of Pisa, the Colosseum in Rome, and the canals of Venice?

Italy

100

How many days are there in a standard, non-leap calendar year?

365

100

Which language serves as the primary global lingua franca and is the dominant language of international business, science, internet communication, and aviation?

English 
100

Which planet in our Solar System is closest to the Sun?

Mercury 

200

Which musical instrument is the national symbol of Ireland and is featured on its coat of arms, passports, and Euro coins?

The Harp

200

Which country occupies an entire hemisphere on its own and is the only nation in the world that spans a whole continent?

Australia 

200

Reaching lengths of up to 30 meters, which marine mammal is officially recognized as the largest animal to ever exist on Earth?

The blue whale 

200

Which writing system, utilizing thousands of intricate graphic characters that represent words or ideas rather than sounds, is famously used in China and Japan?

Logograms / Ideograms (or Chinese characters / Hieroglyphs)

200

What is the only substance on Earth that naturally and abundantly coexists in three physical states at the same time: liquid, solid, and gas?

Water

300

Which legendary British rock band performed their final live concert on the rooftop of their Apple Corps headquarters in London in January 1969?

The Beatles 

300

Consisting of more than 17,000 islands, which Asian nation is officially the largest archipelagic (island) country in the world?

Indonesia 

300

What is the scientific term for a region of spacetime where gravity is so intense that nothing—not even light or electromagnetic waves—can escape from it?

Black hole

300

What is the name of the ancient, "dead" language that is still actively used today to classify species in biology, write medical prescriptions, and phrase legal terminology?

Latin

300

Shaped like a double helix, which complex molecule contains the genetic instructions used in the development, functioning, and reproduction of all known living organisms?

DNA
400

This Austrian prodigy started composing at age five, possessed perfect pitch, and created masterpieces like The Magic Flute. Contrary to the movie myth, he was not poisoned by Antonio Salieri. Who is he?

 Wolfgang Amadeus Mozart

400

: A single stylized sugar maple leaf is the central feature on the national flag of which North American country?

Canada

400

Which classic board game, whose name originates from a Persian phrase meaning "the king is dead," is officially recognized as a sport by the International Olympic Committee?

Chess

400

Created in 1887 by Polish linguist L. L. Zamenhof, what is the name of the world's most widely spoken constructed international auxiliary language, designed to be politically neutral and easy to learn?

Esperanto 

400

Accounting for roughly 75% of all baryonic (normal) mass in the universe, what is the most abundant chemical element in the cosmos?

Hydrogen 

500

Originating in Jamaica in the late 1960s and popularized by Bob Marley, which music genre was officially added to UNESCO's Intangible Cultural Heritage list in 2018?

Reggae 

500

Which South American country is the most mountainous and elevated in the world, featuring an administrative capital (La Paz) sitting at roughly 3,600 meters above sea level?

Bolivia

500

Built as a tomb for a Fourth Dynasty Egyptian pharaoh, which monument is the oldest and the only one of the "Seven Wonders of the Ancient World" still standing today?

The Great Pyramid of Giza

500

Boasting over 3 billion native speakers, which massive language family includes modern English, Spanish, Russian, Hindi, and Bengali?

 Indo-European

500

Which fundamental force of nature keeps the planets in orbit around the Sun and was first mathematically defined by Sir Isaac Newton?

Gravity