What is the hardness of diamond on the Mohs scale? Answer with the whole number only.
Lionel Messi has won a FIFA World Cup. Answer true or false.
Sound travels faster in water than in air. Answer true or false.
Which team won the 2024 World Series? Answer with the team nickname only (for example 'Yankees').
Which UK Prime Minister called the 2016 Brexit referendum? Answer with the surname only.
Which golfer has won the most men's major championships? Answer with the surname only.
Who developed the first polio vaccine licensed in the United States in 1955? Answer with the surname only.
In what year did the Watergate break-in occur? Answer with the four-digit year only.
Which planet is closest to the Sun? Answer with the name only.
How many electoral votes did Joe Biden win in the 2020 US presidential election? Answer with the whole number only.
Norway is a member of NATO. Answer true or false.
Which former Japanese Prime Minister was assassinated in July 2022? Answer with the surname only.
Who co-wrote 'The Communist Manifesto' with Friedrich Engels? Answer with the surname only.
What is the most abundant element in the universe? Answer with the single word only, in lowercase.
How many Wimbledon singles titles did Roger Federer win? Answer with the whole number only.
Margaret Thatcher led the UK Labour Party. Answer true or false.
In what year did Usain Bolt set the 100 metres world record of 9.58 seconds? Answer with the four-digit year only.
Who formulated the three laws of motion published in 1687? Answer with the surname only.
