Warm air is pushed up during an occluded front, while cold air moves quickly during a cold front.
A formation of clouds front, wherein one mass of warm air front is stuck or caught between two or more cold air masses, is known as an occluded front.
Due to the pressure formation, war air is pushed upwards in an occluded front.
Hence, option A holds true regarding an occluded front.
Learn more about an occluded front here:
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