The three characteristics that apply to an effective opening statement are:
- Debatable - An effective opening statement should present an argument or claim that can be contested or challenged.
- States the writer’s opinion - It should clearly convey the writer's viewpoint or stance on the issue at hand.
- Logical - The statement should be coherent and follow a logical structure that sets the stage for the argument.
So the correct responses are:
- debatable
- states the writer’s opinion
- logical