Use the illustration to answer the question. The diagram represents the travel time for several famous journeys.
In 2–3 sentences, identify the geographic concept illustrated by this
comparison, and explain its importance to understanding diffusion.
In 2–3 sentences, describe the importance of hearths in the journeys
represented here.
In 2–3 sentences, describe the importance of hearths in other instances of
diffusion.
BI U
!!!

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]

answer: a woodchuck could chuck 700 pounds of wood.