Which of the following industries is especially dependent upon the production of copper?
a. electronics
b. jewelry
c. aluminum
d. ship-building

A, Electronics

Explanation:

Copper is a good conductor of electricity, easily available and cheap too, that is why it is mostly used in electronic production. It is used in electric motors, cables and other things.

The jewelry industry mostly depends on gold, silver and precious stones while as aluminium industry depends on aluminium. Similarly the shipbuilding industry depends upon iron, steel, aluminium etc.

explanation:

the addition to geographic boundaries that might have  kept the people of the huang river civilization from traveling to far distance region is that they had learned about the other river valley civilizations but feared contact would bring invasion.

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explanation: