Can somebody explain me with these questions.

Here is the video links.

https://youtu.be/OCfVrLPyLDM

1. What is the speed record for a train?

2.How far can a locomotive move one ton a fright on a gallon of diesel vs a truck?

3. Why is the anti-climber important for trains?

4. When did steam engines give away to the diesel-electric locomotive?

5. Since opening in 1914, how many ships have passed through the Panama Canal?

6.Why is the diesel safer in the coal mines?

7.Meg-level trains do they have any advantages over rail train?

8.What happens to the California Bullet train?

9. Do you see any advantage in safety mag-level trains?

10. What is the fastest locomotive?

https://www.youtube.com/watch?v=OBm2NSMeMhk

"Is Cancer Big BusinessThis is a documentary about medical treatment.Now, my bias is I don't trust the FDA, or big pharmaceutical companies or Government.I have no problem with companies making profits.I have no problem with big profits. But, I have a problem with illegal profits, such as companies colluding, or price-fixing, this is illegal and should be stopped. There are laws in the US that deal with this problem. One is the Sherman Act, and Clayton Acts deal with this very matter.

Pfizer and Johnson & Johnson, both based in the United States, are among the world's largest biotechnology and pharmaceutical companies based on their net incomes of approximately 16 billion U.S. dollars and 6.18 billion U.S. dollars, respectively, in 2016. Pfizer generated 42.6 billion U.S. dollars of revenue.

Here is the assignment that I don't understand

1. Is this MD a quack(fraud) or legitimate MD?

2. Is there any science to support his work?Are there any case studies to show evidence that there is some science to his work? Or studies show fraud?

3. Do FDA and others have reason to call this MD a fraud?

4. Do you see any value to his treatment for cancer?

5. If you had a loved one with terminal cancer, would you seek this MD out?