Question

the atmospheric map below shows specific humidity in the lower atmosphere above africa on april 9, 2016. two areas, labeled a and b, are outlined on the map. data source: united states national oceanic and atmospheric administration/earth system research laboratory, physical sciences division. based on the humidity measurements, which outlined area better fits the definition of an air mass? area a area b

Explanation:

An air - mass has relatively uniform properties. Area A shows a more homogeneous distribution of specific humidity values compared to Area B which has more variation in color (indicating humidity variation).

Answer:

Area A