Aboratory exerdise 7.two 500-mb height paterms ohelights in m) for two days in december 1999. b) 314 figures 11.22(a-b) are the 500-mb height patterns from two days in december 1999. a) which pattern would support stronger high and low-pressure systems? explain your answer. (b) place l's and h's on each diagram where you would expect to find suface highs and lows. 306