What is the SI base unit of luminous intensity? Answer with the unit name only, in lowercase.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
What is the name of NASA's program to return astronauts to the Moon, named after Apollo's twin sister? Answer with the name only.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
What is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.
What is the capital of Canada? Answer with the city name only.
In what year did the Airbus A321XLR enter commercial service? Answer with the four-digit year only.
In what year did Arthur Eddington's solar eclipse expedition measure the bending of starlight? Answer with the four-digit year only.
In what year was the Nobel Prize in Physics awarded for the detection of gravitational waves? Answer with the four-digit year only.
How many sovereign countries in Africa are UN member states? Answer with the whole number only.
In what year did Valentina Tereshkova fly in space? Answer with the four-digit year only.
How many states does Brazil have, not counting the Federal District? Answer with the whole number only.
In what year was Richard Feynman awarded the Nobel Prize in Physics? Answer with the four-digit year only.
What is the capital of Bulgaria? Answer with the city name only.
In which Chinese city was COVID-19 first identified? Answer with the city or town name only.
In what month of 2020 did Donald Trump announce he had tested positive for COVID-19? Answer with the month number (1-12) only.
On which day of the week did the UK's 'Clap for our Carers' take place? Answer with the day name only.