Answer: The most important characteristic for the development of a civilization is the presence of advanced cities because they were centers of trade, which established economies and allowed for further development of the civilizations.
Explanation:
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Answer:
The equal sign "=" must be used.
Most, if not all, spreadsheet programs support formulas, but you must start them with an equal sign.
Answer:
Select the worksheet and click Delete All Filters.
Explanation:
