Question

the map below shows air temperatures in the lower atmosphere on june 12, 2013. the outlined areas show two air masses that influenced weather in south america on that day.
look at the map. then, answer the question below.

which air mass was warmer?
air mass a
air mass b

Explanation:

Air mass A is in a region with higher - temperature colors (darker reds) compared to air mass B.

Answer:

air mass A