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 quick,powerful, and efficient engine, requiring only 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:
B
Explanation:
....................... it's B
Copernicus should be the topic, and the central idea should be how he came up with the heliocentric theory. I hope I helped, please tell me if I am incorrect or if you need more help!
They will escape on a boat heading for Europe
