Which question would form the best basis for a quality research paper?
a. is maintaining the environment a good thing or a bad thing?
b. what impact does air pollution in cities have on respiratory health?
c. what is the most polluted city in the united states?
d. how much pollution is over new york city?

i believe the answer is: b. mr. head had a long, tube-like face with a rounded open jaw and a short depressed nose.

this is because in the un-revised sentence it said that mr. heads face was long and tube-like, and he had a rounded open jaw. this is not a very grammatically correct because of how it seems to drag on with the and, replaced with, with, makes it sound more fluent in the description.

i've read it so how can i ?