Differences in Maritime Shipping Distances Before and After the Panama Canal Opened
Liverpool-
San Francisco
New York-
San Francisco
KEY
via Panama Canal
via Magellan Straits
2,000 4,000 6,000 8,000 10,000 12,000 14,000
Nautical Miles
Courtesy of Dr. Jean-Paul Rodrique
17.
What was the main effect of the changes shown in this graph on the
western United States?

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.

The answer is a price setter because they are the ones they add on the price.