A functional region might be created by all of the following except A) a public transportation system
B) the broadcast area of a local television station
C) the influence of an elected official
D) the spread of an infectious disease
E) the customer base of a particular business

The spread of an infectious disease can not create a functional region.

A functional region refers to a geographical area which is centered around specific focal point with a specific function.

An example of functional region includes

trade routetransportation hubshopping centerrecreational center etc

So, a functional region might be created by

a public transportation systemthe broadcast area of a local television station the influence of an elected official the customer base of a particular business

Therefore, the Option D is correct because the spread of an infectious disease can not create a functional region.

Read more about functional region

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Humid continental climate is found in the interior of continents between the 30 and 60 degrees latitude, but usually above the 40 degree line.   40 degrees north of the equator means less direct sunlight and therefore less warmth.   this climate is mainly found in the northern hemisphere since there are no major landmasses in the southern hemisphere.  if you live in northern indiana, you know all about humid continental because that is the climate type you have!

Idk bro sorry  lava is hotter then magma but im  not sure about it alll