Answer:
Lincoln's address starts with “Four score and seven years ago.” A score is equal to 20 years, so he was referencing 87 years ago — 1776, when the Declaration of Independence was signed. The speech was made, then, seven score and seven years ago.
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Ans: There are a number of ways to produce hydrogen: Natural Gas Reforming/Gasification: Synthesis gas, a mixture of hydrogen, carbon monoxide, and a small amount of carbon dioxide, is created by reacting natural gas with high-temperature steam. Electrolysis: An electric current splits water into hydrogen and oxygen.
1a. Andes Mountain B. pamps
Women were not allowed to act. Young men played the parts of women.Acting Troupes were exclusively men. The female parts were played by men, usually men whos voices had yet to break.
It was hard to get to city center
the slums had bad air
and it is dangerous to live in