What is the flag carrier airline of the Netherlands? Answer with the airline name only.
Whose constant, symbol h, relates a photon's energy to its frequency? Answer with the surname only.
The Celsius and Fahrenheit scales show the same reading at minus how many degrees? Answer with the number without the minus sign.
What is the highest mountain in North America? Answer with its official name only, one word.
In what year did Henry Cavendish carry out his experiment to measure the density of the Earth? Answer with the four-digit year only.
What is the two-character IATA code of China Eastern Airlines? Answer with the two-character code only.
How many degrees of longitude does one standard time zone span? Answer with the whole number only.
Which airline operates the largest fleet of Airbus A380s? Answer with the airline name only.
In what year did the Airbus A380 enter commercial service? Answer with the four-digit year only.
What is the capital of Ethiopia? Answer with the city name only.
In what year did Erwin Schrodinger publish his wave equation? Answer with the four-digit year only.
Istanbul is the capital of Turkey. Answer true or false.
In what year did Japan Airlines Flight 123 crash, the deadliest single-aircraft accident? Answer with the four-digit year only.
The equator passes through Brazil. Answer true or false.
How many neutrons are in the nucleus of uranium-238? Answer with the whole number only.
How many pascals are in one standard atmosphere, exactly? Answer with the whole number only.
In what year did the Boeing 777 enter commercial service? Answer with the four-digit year only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
In what year was James Chadwick awarded the Nobel Prize in Physics? Answer with the four-digit year only.
