Question

Which volcano erupts one emitting ashes and smoke or calm one?

Answer 1

a calm volcano can also erupt after a long time and such volcanoes are called dormant volcanoes. an active volcano emits ashes and smoke before erupting.

hope this helps you

Answer 2

The volcanoes which emits ashes and smoke before erupting are called active volcanoes.
But volcanoes which are calm ( dormant volcanoes) can also errupt after a long time....
Hope it helps you...