Question

the atmospheric map below shows air temperatures in the lower atmosphere above asia on october 28, 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 temperature measurements, which outlined area better fits the definition of an air mass? area a area b

Explanation:

An air - mass is a large body of air with relatively uniform temperature and humidity. Area A shows a more uniform temperature distribution (a large region of similar blue - colored areas indicating similar cold temperatures) compared to Area B which has more temperature variation (a mix of different shades of orange and red indicating a range of warmer temperatures).

Answer:

Area A