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Question 1: In humans, what is the most common blood type?
Question 2: How many steps lead to the top of the Leaning Tower of Pisa?
The Leaning Tower of Pisa, a freestanding bell tower located in the Italian city of Pisa, is known worldwide for its nearly four-degree lean. Visitors can climb the 296 steps that lead to the top of the tower for a panoramic view of the city.
Question 3: Which city is home to the iconic Christ the Redeemer statue?
The Christ the Redeemer statue, standing at 98 feet tall atop Corcovado mountain, is one of the most recognizable landmarks in Rio de Janeiro, Brazil. The statue was completed in 1931 and has become a cultural icon of both the city and the country.
Question 4: How many years passed between the invention of the telephone and the establishment of the first telephone exchange?
Alexander Graham Bell invented the telephone in 1876. The first telephone exchange was established just two years later in 1878 in New Haven, Connecticut, enabling the first commercial telephone service in the United States.
Question 5: Which American sitcom featured the characters Blanche, Rose, Dorothy, and Sophia?
The Golden Girls was a popular American sitcom that aired from 1985 to 1992. It revolved around the lives of four older women who shared a home in Miami, Florida. The show tackled many issues faced by older adults with humor and wit.
Question 6: What is the most abundant element in the universe by mass?
Hydrogen is the lightest and most abundant element in the universe, making up about 75% of the universe's elemental mass. It is the primary component of stars and plays a crucial role in the fusion reactions that power them.
Question 7: Why is MSG (monosodium glutamate) sometimes added to foods?
MSG is used as a flavor enhancer in many cuisines around the world. It imparts a savory, umami taste that intensifies the flavor of foods. While it is generally recognized as safe, some people report sensitivity to MSG.
Question 8: Which famous battle marked the beginning of the Hundred Years' War between England and France?
The Battle of Crécy, fought on 26 August 1346, was one of the most important battles of the Hundred Years' War. It was the first of three great English victories during the conflict and marked a new stage in the evolution of warfare, with the English longbow proving decisive against the French armoured knights.
Question 9: Which actor played the lead role in the 1961 film "Breakfast at Tiffany's"?
Audrey Hepburn's iconic portrayal of Holly Golightly in "Breakfast at Tiffany's" is considered one of her most memorable roles. The film was loosely based on Truman Capote's novella of the same name.
Question 10: Which part of the body produces insulin?
The pancreas is a glandular organ that produces insulin, a hormone that regulates blood sugar levels. Insulin helps the body's cells absorb glucose from the blood.
9 is fine
I picked the closest answer but the Pisa tower has only 269 steps. 
no idea.
The ABO blood group system classifies blood types into four main groups: A, B, AB, and O. The Rh system further categorizes blood as positive or negative. O+ is the most common blood type, found in about 37% of the population. It is considered the universal donor type because it can be given to people with any Rh-positive blood type.