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Question 1: Which city was divided by the Berlin Wall during the Cold War?
Question 2: When exposed to air, which metal forms a green patina over time?
When copper is exposed to air and moisture, it oxidizes and forms a green patina on its surface. This patina is actually a layer of copper carbonate and acts as a protective coating, preventing further corrosion of the underlying metal. The Statue of Liberty is a famous example of a copper structure that has developed a green patina over time.
Question 3: Which Italian car manufacturer is known for its luxury sports cars and its iconic prancing horse logo?
Ferrari is an Italian luxury sports car manufacturer based in Maranello, Italy. Founded by Enzo Ferrari in 1939, the company is known for its high-performance vehicles and its iconic prancing horse logo, which has become synonymous with speed, luxury, and Italian craftsmanship. Ferrari has a rich history in motorsports, particularly in Formula One racing, where it has achieved unparalleled success.
Question 4: When warm, moist air rises quickly into the atmosphere, which type of cloud formation is most likely to develop?
Cumulonimbus clouds are tall, towering vertical clouds associated with thunderstorms and severe weather. They form when warm, moist air rises rapidly, condensing as it cools at higher altitudes. These clouds can grow up to 10km in height.
Question 5: What musical features the song "Defying Gravity"?
"Defying Gravity" is a popular song from the musical Wicked, which tells the story of the Witches of Oz before the events in The Wizard of Oz. The song is performed by the characters Elphaba (the Wicked Witch of the West) and Glinda (the Good Witch of the North) at the end of Act I.
Question 6: When was Coca-Cola first invented?
Coca-Cola was invented in 1886 by pharmacist John Pemberton in Atlanta, Georgia. It was initially marketed as a temperance drink and intended as a patent medicine.
Question 7: Who was the first FBI Director, appointed in 1924?
J. Edgar Hoover served as the first Director of the FBI (Federal Bureau of Investigation) from 1924 until his death in 1972, making him the longest-serving FBI Director to date. He played a significant role in the development and expansion of the bureau.
Question 8: Which ancient city, now in ruins, was once the capital of the Inca Empire?
Machu Picchu, located in present-day Peru, was built in the 15th century and later abandoned. It is believed to have been an estate for the Inca emperor Pachacuti. The Incas built the estate around 1450 but abandoned it a century later at the time of the Spanish conquest.
Question 9: When did the last Ice Age end?
The last Ice Age, also known as the Pleistocene Epoch, ended around 11,700 years ago, marking the beginning of the Holocene Epoch, which continues to the present day. The end of the Ice Age was characterized by the retreat of glaciers and a rise in global temperatures.
Question 10: What movie won the Academy Award for Best Picture in 2020?
Parasite, a South Korean black comedy thriller film directed by Bong Joon-ho, made history by becoming the first non-English language film to win the Academy Award for Best Picture in 2020. The film also won awards for Best Director, Best Original Screenplay, and Best International Feature Film.
Q8 is wrong. Machu Picchu was a palace. Cuzco was the capital city.
guesses 
The Berlin Wall divided the city of Berlin from 1961 to 1989, separating communist East Berlin and West Berlin during the Cold War era. It came to symbolize the 'Iron Curtain' that divided Western Europe and the Eastern Bloc during this period.