World Knowledge Challenge
Test your understanding of science, history, geography, and culture with this general knowledge quiz.
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Quiz Questions & Answers
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Question 1: Which of these elements is most abundant in Earth's atmosphere?
Oxygen
Carbon dioxide
Nitrogen
Argon
Question 2: What ancient wonder was built as a tomb for an Egyptian pharaoh?
The Great Pyramid of Giza
The Hanging Gardens
The Lighthouse of Alexandria
The Colossus of Rhodes
Question 3: Which ocean current has the greatest impact on Earth's climate?
Kuroshio Current
Gulf Stream
Humboldt Current
Benguela Current
Question 4: What is the most widely spoken language in the world by total number of speakers (including both native and non-native)?
Mandarin Chinese
Spanish
Hindi
English
Question 5: Which of these inventions came first?
The printing press
Paper
The compass
Gunpowder