which description refers to cirrus clouds?\nare fluffy\nare wispy\nproduce snow\nform at low altitudes

Brief Explanations:

Cirrus clouds are high - altitude clouds that are thin and wispy in appearance. Fluffy clouds are often cumulus clouds. Clouds that produce snow are usually nimbostratus or cumulonimbus under certain conditions. Cirrus clouds form at high altitudes, not low altitudes.

Answer:

are wispy