Question 19 (2 points) Why were pipelines regulated by the federal government? 0 a. They were/are monopolostic. O b. The oil companies were controlling the transportation of petroleum. O c. There was typically only one carrier serving a given route. 0 d. All of the above were true. Question 20 (2 points) Which of the following is NOT a true statement about trunk lines in the pipeline industry? IO a. They are large (30-50 inches] in diameter. IO b. They are primarily built underground. 0 c. They provide long-distance movement. 0 d. They are primarily used for moving material into storage areas