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100

What gas do humans exhale that plants use for photosynthesis?

Carbon dioxide (CO₂)

100

Which U.S. state is the only one made up entirely of islands?

Hawaii

100

What video game franchise features characters like Link and Ganandorf?

The Legend of Zelda

100

What is the square root of 144?

12

100

What planet spins on its side, unlike the others?

Uranus

200

What subatomic particle has a negative charge?

Electron

200

What line divides the Earth into the Northern and Southern Hemispheres?

The Equator

200

Who directed the films Inception, Interstellar, and Oppenheimer?

Christopher Nolan

200

What is the term for a word that has the opposite meaning of another word?

Antonym

200

How many bones are in the adult human body?

206

300

What is the second planet from the sun, often called Earth’s twin?

Venus

300

What is the official language of Brazil?

Portuguese

300

Which artist holds the record for most Spotify streams in a single day (as of 2024)?

Taylor Swift

300

In literature, what is the term for giving human characteristics to non-human things?

Personification

300

Which bird is known for its impressive mimicry of human sounds?

Lyrebird

400

What is the main function of red blood cells in the human body?

To carry oxygen

400

What African country has the most pyramids in the world?

Sudan

400

In the Marvel Cinematic Universe, what is the name of Thor’s hammer?

Mjolnir

400

What U.S. historical document was signed in 1776?

The Declaration of Independence

400

What is the most commonly used letter in the English alphabet?

E

500

What scientist developed the theory of general relativity?

Albert Einstein

500

What is the smallest independent country in the world by land area?

Vatican City

500

In what year did The Beatles release Sgt. Pepper’s Lonely Hearts Club Band?

1967

500

Solve for x: 3(x – 2) = 15

x = 7

500

What is the only mammal capable of true flight?

Bat

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