There are many factors that encourage migration, among them are wealth,
education, religion, access to better job opportunities and better
healthcare and personal reasons (family).
Therefore the one factor that does not influence migration is listed in option c:
c. Healthcare and education are not pull factors that encourage migration.
https://en.wikipedia.org/wiki/Western_Roman_Empire
Not erupt at all, but remain in the magma chamber and cool .
An indicator shows if the top of the map is north.
from quizlet.