Science, asked by miracle2536, 1 year ago

Which is an invention that improved safety for railway passengers?
A) Air brakes
B) Refrigerated rail cars
C) Time standardization
D) Pullman sleeping cars

Answers

Answered by KB3

0

Answer is C) Time Standardization.

HOPE THIS HELPS!

Answered by snehadatta223

0

Probably Time Standardization.

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