Question

41 supercells are rotating thunderstorms referred to by what term?
tornados
vortexes
spinners
mesocyclones

Explanation:

Supercells are rotating thunder - storms that contain mesocyclones. A mesocyclone is a deep, persistently rotating updraft within a thunderstorm. Tornados are a different weather phenomenon that can sometimes form from supercells. Vortexes and spinners are more general or less specific terms in this context.

Answer:

D. Mesocyclones