The research question which is the most focused to help guide her research is:
This refers to the important questions which a researcher asks when he wants to find out some important thing and why it occurs the way it occurs that would help with his research.
With this in mind, we can see that because Elaine is making a research about the relevance of keeping plastic bags out of the local Bayou, then he would need to ask the research question of "How can residents and city officials dispose of plastic to protect the bayou?" to help guide her research.
Read more about research questions here:
https://brainly.com/question/968894