hannahsteele05 hannahsteele05

31-03-2022
Chemistry

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How long has the metric system been a Federal Law in the United States?

a. Since 1790 when the French Academy of Sciences started it.
b. Since the Civil War
c. Approximately ten years
d. Approximately ten years before today's high school students were born.

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Studentier Studentier

31-03-2022

Answer: since the civil war

Explanation: it became law in 1866.

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page4387 page4387

31-03-2022

Answer:

b is the correct answer to this question

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