What do you mean? The question is kind of confusing.
The tasks that Millicent had to do during initiation can best be described as "degrading". This is unfortunately usually the case with many different types of initiation ceremonies.
Answer:
The dolphin suffered a severe injury to it's dorsal fin.
Answer: The complex sentence comtain a dependent clause.
Explanation: Because one of the rules of complex sentence is dependent, independent clause.