The provisions of subpart d, of the hhs regulations, additional protections for children involved as subjects in research apply to:

All the research conducted on children as their subject under Health and Human Service regulation.

Explanation:

The subpart D, of the Health and Human service regulations (HHS), applies to all the research that involves children as its subject. This research includes the work of department employees except that each of their heads must adopt certain procedures that are considered appropriate from the administrative point of view. It sometimes also includes the research conducted by HHS outside the United States but under certain circumstances that fall appropriate for the research as well as the organization.

i would say a certificate of deposit, so you're not locked into a long term, and it has more security than a mutual fund.

what

explanation: