when formulating a research question for an informative essay, a writer should write a question that can be…

when formulating a research question for an informative essay, a writer should write a question that can be answered with a sentence. has a widely known answer. has an open - ended answer. is difficult or impossible to answer.
Answer
Brief Explanations:
An informative essay requires in - depth exploration. An open - ended question allows for detailed research and explanation, rather than a simple one - sentence or widely known answer. A difficult or impossible question is not practical for an essay.
Answer:
has an open - ended answer.