C At the same time, the wind (always from the west or northwest) becomes stronger and stronger, and the climatological differences between the west and the east sides of the Andes Mountains become more pronounced.
(the wind (always from the west or northwest; becomes; stronger and stronger) (the climatological differences between the west and the east sides of the Andes Mountains; become; more pronounced)
the wind (always from the west or northwest the climatological differences between the west and the east sides of the Andes Mountains
becomes become
stronger and stronger
more pronounced