Q: What is the question to: ""My two cents" (2¢) and its longer version "put my two cents in" is an United States (US) idiomatic expression, taken from the original English idiom expression: to put in "my two pennies worth" or "my tuppence worth.""? The topic is My two cents.
A: "what does add my two cents mean?"

Q: What is the question to: "Its twelve member institutions (which are primarily flagship research universities in their respective states, well-regarded academically, and with relatively large student enrollment) are located primarily in the Midwest , stretching from Nebraska in the west to Penn State in the east."? The topic is Big Ten Conference.
A: "how many schools are in the big ten?"

Q: What is the question to: "Iodine is found on Earth mainly as the highly water-soluble iodide ion, I−, which concentrates it in oceans and brine pools ."? The topic is Iodine.
A: "where do you find iodine?"

Q: What is the question to: "The company was founded by Sam Walton in 1962, incorporated on October 31, 1969, and publicly traded on the New York Stock Exchange in 1972."? The topic is Walmart.
A:
"who founded walmart?"