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How many states does Australia have, not counting its territories? Answer with the whole number only.
In what year did Theodore Maiman demonstrate the first working laser? Answer with the four-digit year only.
How many cantons does Switzerland have? Answer with the whole number only.
What is the two-character IATA code of China Eastern Airlines? Answer with the two-character code only.
Marie Curie won Nobel Prizes in both physics and chemistry. Answer true or false.
What is the two-character IATA code of Qantas? Answer with the two-character code only.
Which particle carries the electromagnetic force? Answer with the particle name only, in lowercase.
Which airline alliance does British Airways belong to? Answer with the alliance's full name.
How many degrees of longitude does one standard time zone span? Answer with the whole number only.
Who led the team that built Chicago Pile-1, the first nuclear reactor? Answer with the surname only.
Mercury has at least one natural moon. Answer true or false.
Which airline operates the largest fleet of Airbus A380s? Answer with the airline name only.
In what year was Skylab launched? Answer with the four-digit year only.
Who was the first person to walk on the Moon? Answer with the surname only.
In what year did Hayabusa2 return its asteroid Ryugu samples to Earth? Answer with the four-digit year only.
In what year did Pierre Agostini, Ferenc Krausz and Anne L'Huillier win the Nobel Prize in Physics for attosecond light pulses? Answer with the four-digit year only.
Neil Armstrong was the commander of Apollo 11. Answer true or false.
Australia is both a country and a continent. Answer true or false.
In what year did the Airbus A380 enter commercial service? Answer with the four-digit year only.
In what year did a door plug blow out of an Alaska Airlines Boeing 737 MAX 9 over Oregon? Answer with the four-digit year only.
In what year did Amelia Earhart disappear over the Pacific? Answer with the four-digit year only.
How many airlines founded Star Alliance? Answer with the whole number only.
What is the name of China's space station? Answer with the one-word name only.
What is the SI unit of magnetic flux? Answer with the unit name only, in lowercase.
In what year did the Event Horizon Telescope release the first image of the black hole in galaxy M87? Answer with the four-digit year only.