select the correct answer.\nvictoria is writing a research question to drive her study of the national…

select the correct answer.\nvictoria is writing a research question to drive her study of the national impact of michelle obamas \lets move!\ campaign on childhood obesity in america.\nwhich research question best demonstrates victorias understanding of the subject of her research?\na. why did michelle obama decide to introduce her \lets move!\ campaign to fight obesity in children?\nb. how did michelle obamas \lets move!\ campaign provide resources to obese children to help them lose weight?\nc. during the tenure of michelle obamas \lets move!\ campaign, how did childhood obesity rates change from year to year?\nd. throughout michelle obamas \lets move!\ campaign, what did she personally do to help combat childhood obesity?
Answer
Brief Explanations:
The research is about the national - impact on childhood obesity. Option C focuses on the change in childhood obesity rates during the campaign, which directly relates to the impact on childhood obesity. Option A is about the reason for starting the campaign, Option B is about resources for obese children, and Option D is about Michelle Obama's personal actions, none of which directly measure the national impact on childhood obesity rates.
Answer:
C. During the tenure of Michelle Obama's "Let's Move!" campaign, how did childhood obesity rates change from year to year?