29 A change in the type and location of large high-pressure systems ( H ) and large low-pressure systems ( L )
over Asia creates shifts in prevailing winds that cause a rainy summer season and a dry winter season in
southern Asia. Which set of maps below best represents the type and location of pressure systems and the
wind pattern around these pressure systems that cause these seasonal changes?
Summer
Summer
H
Winter
Winter
L
H
( 1 )
( 3 )
Summer
Summer
Winter
Winter
L
( 2 )
( 4 )
[7]
[OVER]
P.S./E. Sci.–Aug. ’15