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which of the following describes the relationship between the villi and the plicae circulares?

a. the plicae circulares are folds in the mucosa that are lined with villi.
b. the plicae circulares are folds in the submucosa that are lined with villi.
c. the villi are folds in the mucosa that are lined with plicae circulars.
d. the villi are folds in the submucosa that are lined with plicae circulars.

Why do some pregnant women fail to receive adequate prenatal care? a. ethnicity b. language and cultural barriers c poverty d. all of the above

For years, tobacco products have included a message from the surgeon general warning the negative effects of tobacco use. at this time, a push is being made for the fda to begin to regulate e-cigarettes in order to mandate warning labels and age restrictions. write a paragraph that identifies 2 health problems that have been linked to nicotine and/or tobacco use. you should include statistics demonstrating the incidence of problems among smokers and provide a resource citing where you found the information provided. (remember from unit 1 what makes a resource reliable.) due in 2

Lifestyle diseases are caused by a combination of