PEASE HELP Use this image to answer the following question:

Photograph of the iron pillar in Delhi, India. The pillar stands behind a stone archway.

© 2012 Aiwok
Creative Commons, Attribution-Share Alike 3.0 Unported

Which contribution of ancient Indian civilization is the main feature in this image? (1 point)

skilled metalworking
skilled stone carving
skilled stone laying
skilled construction

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.