In weather terms, what do you call the boundary between two air masses?
- Correct Answer: cover
- cloud
- mass
- front
Explanation: When cold air masses move south from the poles, they run into warm air masses moving north from the tropics. The boundary between two air masses is called a front . Air masses usually don’t mix at a front. The differences in temperature and pressure cause clouds and precipitation. Types of fronts include cold, warm, occluded, and stationary fronts.
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