What occurs in an updraft? A. Cool air from the surface spins in a circle.
B. Cool air from mountains causes high winds.
C. Warm air high in the atmosphere sinks.
D. Warm air from the surface rises.

Updraft occurs when the warm air from the surface rises.

Updrafts occur when the warm air rises to the level when the process of condensation begins and precipitation starts to develop.

In a mature storm, updrafts are present alongside downdrafts that caused by cooling and falling of precipitation so we can conclude that updraft occurs when the warm air from the surface rises.

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D. Warm air from the south rises.

Explanation:

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