Answer:
overweight obesity and other things like that
The answer is: Impromptu speeches require lots of research.
When you Impromptu, it means that it was not prepared ahead of time. Usually it requires stock information. Research could not be used in impromptu speeches as it is something that is done without preparation.
Answer:
climaxxxxxxxxxxxxxxxxxxxxxxxxxxx
C is the correct sentence.
All the others include a predicate, or a time, but not a subject
