Based on State level and federal powers. Hope this helps :)
Answer
Workers
Explanation:
The protection toward 'Vulnerable persons' according to The Common Rule (45 CFR 46, Sub part A) refers to the type of protection granted to Researches subjects that are not in their prime physical mental conditions. (For example, pregnant women or underage subjects)
'Workers' tend to be in adult age (older than 18) ,and considered to be healthy and psychologically sound (otherwise they will not be hired by their employers). Therefore, this group is not considered as 'vulnerable persons' and do not have specific protection form the common rule.
On July 4th, 1776 we declared Independence from Great Britain.
Sedimentary rocks can contain fossils because, unlike most igneous and metamorphic rocks, they form at temperatures and pressures that do not destroy fossil remains. Dead orga…nisms can become sediments which may, under the right conditions, become sedimentary rock. Igneous rock forms from magma; no chance for fossils to form there.