Which cloud type can produce precipitation such as rain or snow?

The cloud type that produces precipitation such as rain or snow is stratus. Stratus clouds are typically low, gray clouds that often cover the entire sky, resembling a uniform layer. They usually bring light precipitation, which can manifest as rain or snow, depending on the temperature. These clouds form when warm, moist air rises and cools, leading to condensation and the formation of cloud droplets.

In contrast, cumulus clouds are fluffy and white, usually associated with fair weather, though they can develop into larger storm clouds that may produce precipitation. Cirrus clouds are high-altitude clouds that appear wispy and thin; they do not produce precipitation as they are composed of ice crystals and typically indicate fair weather. Alto clouds, which are mid-level, can bring precipitation, but they are less likely to do so than stratus clouds. Overall, stratus clouds are most directly associated with consistent, light precipitation, making them the correct choice for this question.