Answer:
The description corresponds to an observational study.
Explanation:
In Observational studies, researchers observe the effect of a risk factor without changing what is exposed to it or its conditions. On the other hand, in an experimental study, researchers can introduce a change and study the effects of it.
Answer:
c because the southern states hated the African Americans or black people
Explanation:
Answer:
Impersonality
Explanation:
Impersonality and personal difference is a characteristic of bureaucracy where an individual is hired on the ability to deliver and not solely on their personal traits or attributes.
Because it has no vaccine