Answer:
Three-quarters of the U.S. debt is the Treasury bills, notes, and bonds owned by the public. They include investors, the Federal Reserve, and foreign governments. One-quarter is the Government Account securities owned by federal agencies
Explanation:
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Question :- Which idea originated with Charles Darwin?
A: Traits acquired during a lifetime are passed to offspring
B: Species evolve by natural selection
C: Living organisms have not changed since they were created
D: Organisms have undergone changes during Earth's history
Answer : <em>Option</em><em> </em><em>(</em><em>B</em><em>)</em>
<em>Species evolve by natural selection</em><em>.</em>
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