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Question 1 of 314
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⚙️ Which writing system was used in ancient Mesopotamia?

Question 2 of 314
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💨 Which gas gives soft drinks their fizz?

Question 3 of 314
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⚡ Which part of a cell is responsible for producing ATP (energy)?

Question 4 of 314
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🌡️ What is the pH of pure water at 25°C?

Question 5 of 314
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🌛 Which natural process continuously shapes mountains, valleys, and coastlines over millions of years?

Question 6 of 314
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🔢 What is the approximate value of π (pi) rounded to two decimal places?

Question 7 of 314
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📘 You are visiting a city famous for the Golden Gate Bridge. Which city are you in?

Question 8 of 314
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☎️ Who invented the telephone?