The average position of the polar jet stream, and hence the paths followed by cyclones and anticyclones, migrate with the approach of winter.

Aristotle thought so every portion of the earth tends toward the center until by compression and convergence they form a sphere. travelers going south see southern constellations rise higher above the horizon.~ hope this !

Answer (b) they're often rural migrants with no title to housing or rights to established businesses

The bottom part thats where most farming goes on