What statement best explains the creation of railroad lines during the late 1800s

Brainliesttt asap!me : ) answer in your own words. what was the relationship between medieval theories about scientific reasoning and the kind of reasoning favored during the scientific revolution?

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

The mongols were descendants of a. pastoral nomadic tribes b. tibetan tribes c. shang nobility