What phrase describes a good scientific question? has a wide focus addresses a gap in knowledge does not lead to a testable hypothesis has a simple yes or no answer

The correct answer is : addresses a gap in knowledge

Explanation:

A scientific question is an inquiry or question that may prompt a hypothesis and help us in explaining or the answering the reason behind the question by observation. A  hypothesis is a speculative, testable response to a scientific question.

A proper scientific question has certain qualities.  

It should be answerable but not in ye or no,  

It should lead to testable hypothesis

prompts a speculation that is falsifiable

should focus on only the one aspect that is asked

Thus, the correct answer is : addresses a gap in knowledge