<span>2,575 years passed between 3100 BC and 525 BC. Calculation of years in the BC era is found by taking the earlier date, or larger number, and subtracting the later or more recent date, the smaller number. 3100 - 525 = 2,575 years.</span>
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3, the use of bartering to trade goods instead of money.
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Good Friday was signed 1990 I'm not aware of the others.
Africa has very limited resources but Europe and America still produce good and other goods.
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This statement is True.
Explanation:
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