What was the difference in population between the North and the South? Group of answer choices

a)13 Thousand

b)13 Million

c)12 Million

d)11 Million

The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research