Answer:
How did the use of one natural resource (coal) lead to a
growth in the availability of natural resources generally in England?
Answer: C
Why was the invention of the locomotive engine important to the success of a railroad system?
Answer: C
What contribution by George Stephenson insured that one
railroad line could be easily accessed by trains on another railroad's lines?
Answer: A
Explanation:
For the first question, the use of coal led to far faster and more efficient travel, which allowed for natural resources to be brought from further in less time.
For the second questions (marked question 3), the locomotive engines function is not steering or housing the conductor/engineer or storing cargo, it instead powers the train.
For the final question, George Stephenson created a standard railroad gauge of 4 feet 8 1⁄2 inches, now used by most of the worlds railroads.