Highly rotated axis........
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.
An occluded front is usually associated with severe thunderstorms or a drizzle.
The answer is: [A]: troposphere .
___________________________________________________
The largest canyons and deepest valleys were created by moving water.