When a Mass of Cold Air Collides with a Mass

question 109

Multiple Choice

When a mass of cold air collides with a mass of warm air,what happens?

• A)The cold air is warmed and the warm air is cooled by their mixing.
• B)The cold air rises above the warm air.
• C)The warm air rises above the cold air.
• D)The boundary between the two air masses keeps them separate,and they do not interact in any way.

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