Is this true many trails are not needed before a hypothesis can be accepted as true

The provisions of subpart d, of the hhs regulations, additional protections for children involved as subjects in research apply to: all research involving childrenall research that is > minimal riskall research funded by any federal agencyall research funded by hhs

Arecent challenge to the european union created by a member state is?

Select the phrase that best describes "race."a. religiously distinct b. different species c. socially constructed d. factually accurate