Question

An invention by Carl Siemens helped make the Second Industrial Revolution possible. What was it?
A. an expanded system of telephones
B. insulation for telegraph wires
C. a way to make large quantities of steel in a gas furnace
D. medication from coal tar
Which of the following became common in middle-class homes during the Second Industrial Revolution?
A. televisions
B. electric lamps
C. stereos
D. electric typewriters

Answer 1

The correct answer for 1 is C. a way to make large quantities of steel in a gas furnace. This enabled things to be made out of metal which led to huge ships and huge machinery that could produce even more and be even more durable. The correct answer for the second is B. Electric lamps. TV became a thing in the 50s, not in the industrial revolution. Electric typewriters and stereos came at around the same period.

Answer 2

For the first one it is: C. A way to make large quantities of steel in a gas furnace.

For the second one it is: B. Electric lamps.

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