Question

Which sentence from the passage supports the idea that the "world is chiefly indebted" to James Watt and George Stephenson for developing the steam engine?

Answer 1

If these were the missing choices: 

A. The first train consisted of thirty-four cars weighing, all told, ninety tons.
B. Before the time of Watt, the steam engine was exclusively a steam pump—slow and wasteful of fuel.
C. The idea of using steam for driving stationary machinery originated in the early centuries.
D. Watt made it a quick, powerful, and efficient engine, requiring only a fourth as much fuel as before.

My answer is D. WATT MADE IT A QUICK, POWERFUL, AND EFFICIENT ENGINE, REQUIRING ONLY A FOURTH AS MUCH FUEL AS BEFORE.

Though the passage is not given, I chose option D because it gives the benefit that others experienced from Watt's contribution.

Answer 2

The sentence 'world is chiefly indebted' is referred to the Watt, who made a quick, powerful, and efficient engine, requiring only a fourth as much as fuel as before.

Who is James Watt?

James Watt was the Scottish inventor, who invented the steam engine, and was the major contributor to the Industrial Revolution in the 1900s.

Watt steam engine helpful for improvement in the efficiency of steam engines. The engines were smaller and powerful, which required less amount of coal.

Steam locomotives were heavy and emitted carbon dioxide directly into the atmosphere. The air quality became poor, and the factories and industries accepted it as a normal thing.

To know more about James Watt, refer to the following link:

https://brainly.com/question/4084050

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