Pluto does not have traditional volcanoes like those found on Earth or Mars. However, it does have cryovolcanoes, which are volcanoes that erupt ice instead of molten rock.

There is also evidence of geysers, which are fountains of gas and ice particles erupting from the surface. These geysers are thought to be powered by nitrogen ice that sublimates (turns directly from solid to gas) under the sun's heat.

Here's a breakdown:

* Cryovolcanoes:

* Erupt ice, primarily water ice and nitrogen ice

* Some cryovolcanoes on Pluto are massive, with heights reaching several kilometers

* Thought to be fueled by internal heat from Pluto's core

* Geysers:

* Erupt gas and ice particles, primarily nitrogen

* Likely caused by the sublimation of nitrogen ice under the sun's heat

* Form "streaks" on Pluto's surface, which are visible in images taken by the New Horizons spacecraft

It's important to note that Pluto's cryovolcanoes and geysers are quite different from those found on Earth. They are much colder and their eruptions are driven by different processes. However, they are still fascinating examples of the diversity of geological activity in the solar system.