What does it mean that federal law is superior to state law? a. Federal laws makes more sense than any state laws.
b. Federal laws were passed first, before state laws.
c. States cannot make laws that conflict with federal laws.
d. States cannot make laws that conflict with local laws.

The constant presence of diseases or infectious agents within a given geographic area or population group. it may also refer to the usual prevalence of a given disease with such area or group. it includes holoendemic and hyperendemic diseases. a holoendemic disease is one for which a high prevalent level of infection begins early in life and affects most of the child population, leading to a state of equilibrium such that the adult population shows evidence of the disease much less commonly than do children (malaria in many communities is a holoendemic disease). a hyperendemic disease is one that is constantly present at a high incidence and/or prevalence rate and affects all groups equally. so probably family history.

Ithink that it is d