Answer:
because unfortunately we need knowledge. this is a VERY brainlyiest answer.
Explanation:
<span>They inferred that the Appalachian Mountains have been eroding for millions of years.</span>
I think the correct answer among the choices listed above is option A. plazas are often considered the heart of a town or city because t<span>hey are the business and commercial center of the town. MOst of the plazas are surrounded by infrastructures and businesses.</span>