If you are in k12, the answer is:
"Ben looked forward to discovering which route they would take and which unique places they might visit this year."
The organizing principles that are used in this paragraph are comparison and contrast; cause and effect. In the beginning, the author is giving the similarities and the differences between petroleum and coal, and moves on to talk about cause and effect in the end.
Here is an idea
You can either tell the importance of sports why sports is important and do a conversation between four people like two of the people are lazy and you and you and your friend tell them about sport activities and sport centres there importance and how we can do them in daily life.
Answer:
he trains therapists to lead humor therapy sessions