Question

river valley civilizations quick check
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which of the following best shows how river valley civilizations built upon existing neolithic technology? (1 point)
river - valley civilizations continued to use neolithic technology and made a few improvements largely unrelated to agriculture.
river - valley civilizations added new tools in addition to stone tools from the neolithic period and expanded on preexisting knowledge of metallurgy.
river - valley civilizations made discoveries with tools and metallurgy that previous civilizations were unable to produce.
river - valley civilizations built upon the early wheel, plow, and bronze weaponry that were used to a limited extent in the neolithic period.

Explanation:

The Neolithic period saw the emergence of early technologies like the wheel, plow, and limited - use of bronze. River valley civilizations expanded on these. They did not just continue with Neolithic tech with unrelated improvements, nor was it just about adding new tools and expanding metallurgy knowledge. Discoveries in tools and metallurgy were part of building on earlier tech, but the best answer is about building on the early wheel, plow, and bronze weaponry which had limited use in Neolithic times.

Answer:

River valley civilizations built upon the early wheel, plow, and bronze weaponry that were used to a limited extent in the Neolithic period.