The mint mark 'P' stands for Denver. Answer true or false.
The mint mark 'P' stands for Denver. Answer true or false.
In what year did the Space Shuttle Challenger disaster occur? Answer with the four-digit year only.
What percentage silver are US dimes and quarters minted before 1965? Answer with the whole number only.
Whales are fish. Answer true or false.
Canada is a constitutional monarchy. Answer true or false.
How many amendments have been ratified to the United States Constitution? Answer with the whole number only.
In what year did the first crew (Expedition 1) arrive at the International Space Station? Answer with the four-digit year only.