What is the name of the cord joining a mother and her unborn child?

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What author created the character of Tom Joad?

What is the only nationality mentioned in the song "The Twelve Days of Christmas"?

What is the capital of the US state of Michigan?

What does the "CAT" in "CAT scan" stand for?

What was the first NASA program to land an object on Mars that sent information back to Earth?

What is energy typically measured in what SI units?

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Which 2010 film, based on a comic book, did Brie Larson have a supporting role in?

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Canada's Maple Leaf national flag was introduced under which Canadian Prime Minister?