A serving of dairy or calcium-rich foods is 1 cup of skim milk or 1 cup low fat or fat free yogurt. how many servings per day are recommended of children ages 6-11? 1
4
3
2

3 servings per day is recommended for children aged 6-11.

I hope this helped at all. Sorry if its incorrect.

i would say b. research typically uses a variety of sources

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