Answer:
Dan Cooper is the pseudonym of an unidentified man who hijacked a Boeing 727 aircraft in United States airspace between Portland and Seattle on the afternoon of November 24, 1971. The man purchased his airline ticket using the alias Dan Cooper but, because of a news miscommunication, became known in popular lore as D. B. Cooper. He extorted $200,000 in ransom and parachuted to an uncertain fate. Despite an extensive manhunt and protracted FBI investigation, the perpetrator has never been located or identified. It remains the only unsolved case of air piracy in commercial aviation history.
Answer:
The Compromise of 1877 was an unwritten deal, informally arranged among U.S. Congressmen, that settled the intensely disputed 1876 presidential election. It resulted in the United States federal government pulling the last troops out of the South, and ending the Reconstruction Era.
Explanation:
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Answer:
B.new food crops, which improved the European diet
Explanation:
Answer A, C, and D were introduced to the Americas, not Europe. Some diseases, like syphilis, were brought to Europe but the majority were brought from the Europeans which greatly impacted the population of Native Americans. Western Europe was mostly impacted by the introduction of new crops.
In any energy pyramid, only 10% of the available energy is passed from one level to the next.
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