What is an air mass? O A. A mass of air that is similar in size and temperature. a B. A mass of air that is similar in temperature and wind speed. C. A mass of air that is similar in temperature and humidity C D. A mass of air that is similar in humidity and movement. Select an answer

C. A mass of air that is similar in temperature and humidity

Explanation:

An "air mass" refers to a big volume of air that is characterized by having similar or uniform "temperature" and "humidity" (moisture). They come from different source regions, thus they are classified accordingly.

The "cold air masses" come from the polar areas while the "warm air masses" come from the tropical areas. An air mass may cause a storm, for example, when an air mass moves to a new region and confronts another air mass there with a different humidity and temperature.

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