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The Sun is a red dwarf star. Answer true or false.
Which country does Pinkfong, the company behind 'Baby Shark Dance', come from? Answer with the country name only.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.
DNA has a double-helix structure. Answer true or false.
The first coins were made in ancient Lydia. Answer true or false.
Which American writer was the first woman honored in the American Women Quarters program in 2022? Answer with the surname only.
Water expands when it freezes. Answer true or false.
The Sacagawea dollar coin is gold in color. Answer true or false.
Who sang 'Never Gonna Give You Up', the song used in rickrolling? Answer with the surname only.
What is the lightest chemical element? Answer with the single word only, in lowercase.
In what year was the Washington quarter first issued? Answer with the four-digit year only.
The word 'meme' was coined in a book about evolution. Answer true or false.
In what year did Rebecca Black's song 'Friday' go viral? Answer with the four-digit year only.
What is the maximum supply of Litecoin, in whole coins? Answer with the whole number only.
What is the atomic number of mercury? Answer with the whole number only.
Which company is most associated with the XRP Ledger and the XRP token? Answer with the name only.
In what year did the Fukushima Daiichi nuclear disaster occur? Answer with the four-digit year only.
Who founded the Tron blockchain? Answer with the surname only.
In what year did Ethereum activate EIP-1559 in the London upgrade? Answer with the four-digit year only.
Mitochondria have their own DNA. Answer true or false.
In what year did Ethereum activate the Pectra upgrade? Answer with the four-digit year only.
In what year did the Wright brothers make their first powered flight? Answer with the four-digit year only.
What is the face value in US dollars of a 1933 Double Eagle gold coin? Answer with the whole number only.
What is the largest moon of Jupiter? Answer with the name only.
Jupiter is the largest planet in the Solar System. Answer true or false.