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If a fossil bone is found to contain 1/4 as much Carbon-14 as the bone of a living animal,what is the approximate age of the fossil? (half-life of 14C = 5 730 years)
Lettuce
A leafy green vegetable, commonly used in salads and sandwiches, known for its crisp texture and mild flavor.
Onions
A vegetable with a strong taste and smell, grown underground, and used in cooking.
Jefferson Building
The oldest of the three United States Library of Congress buildings, named after President Thomas Jefferson.
James Madison
was the fourth president of the United States, known as the "Father of the Constitution" for his pivotal role in drafting and promoting the U.S. Constitution and the Bill of Rights.
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