Which statement best explains the state of the oil and gas industry in Louisiana? 1. It is harmful to the economy, but can be very beneficial to the environment.
2. It is beneficial to the economy, but can be very harmful to the environment.
3. It is mostly harmful to both the economy and the environment in Louisiana.
4. It is mostly beneficial to both the economy and the environment in Louisiana.

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.