Question

Which would be inappropriate and a piece of research writing with a formal tone?

A. With careful, consistent training, it is possible to dramatically improve your basketball skills.
B. Most Middle and High school-aged boys said that they wanted to improve their jump shots.
C. Basketball is often considered the dullest, most boring sport of all.
D. Dribbling refers to maneuvering of a ball around a Defender there a technical maneuvers.

Answer 1

C because it's based on opinion. Formal writing is normally based on fact and scientific proof.

Answer 2

I think  C. would be an inappropriate piece of research writing because it mostly expresses an opinion rather than fact. They may think that basketball is "the dullest, most boring sport of all," while you may think that it's the best sport